{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T14:07:19Z","timestamp":1792678039705,"version":"4.5.0"},"reference-count":20,"publisher":"Massachusetts Medical Society","issue":"14","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["N Engl J Med"],"published-print":{"date-parts":[[2016,4,7]]},"DOI":"10.1056\/nejmoa1516783","type":"journal-article","created":{"date-parts":[[2016,2,4]],"date-time":"2016-02-04T08:00:13Z","timestamp":1454572813000},"page":"1311-1320","source":"Crossref","is-referenced-by-count":687,"title":["Antenatal Betamethasone for Women at Risk for Late Preterm Delivery"],"prefix":"10.1056","volume":"374","author":[{"given":"Cynthia","family":"Gyamfi-Bannerman","sequence":"first","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizabeth A.","family":"Thom","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sean C.","family":"Blackwell","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alan T.N.","family":"Tita","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Uma M.","family":"Reddy","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"George R.","family":"Saade","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dwight J.","family":"Rouse","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David S.","family":"McKenna","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erin A.S.","family":"Clark","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"Jr.","given":"John M.","family":"Thorp","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edward K.","family":"Chien","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alan M.","family":"Peaceman","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronald S.","family":"Gibbs","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geeta K.","family":"Swamy","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary E.","family":"Norton","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brian M.","family":"Casey","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steve N.","family":"Caritis","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jorge E.","family":"Tolosa","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoram","family":"Sorokin","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. Peter","family":"VanDorsten","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucky","family":"Jain","sequence":"additional","affiliation":[{"name":"From Columbia University, New York (C.G.-B.); the George Washington University Biostatistics Center, Washington, DC (E.A.T.); the University of Texas Health Science Center at Children\u2019s Memorial Hermann Hospital, Houston (S.C.B.), the University of Texas Medical Branch, Galveston (G.R.S.), and the University of Texas Southwestern Medical Center, Dallas (B.M.C.) \u2014 all in Texas; the University of Alabama at Birmingham, Birmingham (A.T.N.T.); the Eunice Kennedy Shriver National Institute of Child Health and..."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"150","reference":[{"key":"r001","first-page":"1","volume":"12","year":"1994","journal-title":"NIH Consens Statement"},{"key":"r002","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1995.03520290065031"},{"key":"r003","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(95)90222-8"},{"key":"r004","first-page":"CD004454","author":"Roberts D","year":"2006","journal-title":"Cochrane Database Syst Rev"},{"key":"r005","doi-asserted-by":"publisher","DOI":"10.1053\/j.semperi.2006.01.005"},{"key":"r006","doi-asserted-by":"publisher","DOI":"10.1016\/0020-7292(95)90274-0"},{"key":"r007","doi-asserted-by":"publisher","DOI":"10.1097\/01.AOG.0000297311.33046.73"},{"key":"r008","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e31816499f4"},{"key":"r009","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2010.1015"},{"key":"r010","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2006-0018"},{"key":"r011","first-page":"1","volume":"64","author":"Martin JA","year":"2015","journal-title":"Natl Vital Stat Rep"},{"key":"r012","doi-asserted-by":"crossref","unstructured":"Rosenberger W, Lachin JM. Randomization in clinical trials. New York: Wiley, 2002.","DOI":"10.1002\/0471722103"},{"key":"r013","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3476(78)80282-0"},{"key":"r014","doi-asserted-by":"publisher","DOI":"10.1002\/sim.4780131308"},{"key":"r015","doi-asserted-by":"publisher","DOI":"10.1111\/j.0006-341X.1999.01202.x"},{"key":"r016","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.38547.416493.06"},{"key":"r017","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.d1696"},{"key":"r018","doi-asserted-by":"publisher","DOI":"10.1159\/000295898"},{"key":"r019","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpeds.2012.05.022"},{"key":"r020","doi-asserted-by":"publisher","DOI":"10.1542\/peds.50.4.515"}],"container-title":["New England Journal of Medicine"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.nejm.org\/doi\/pdf\/10.1056\/NEJMoa1516783","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,10,14]],"date-time":"2022-10-14T15:26:59Z","timestamp":1665761219000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.nejm.org\/doi\/10.1056\/NEJMoa1516783"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,4,7]]},"references-count":20,"journal-issue":{"issue":"14","published-print":{"date-parts":[[2016,4,7]]}},"alternative-id":["10.1056\/NEJMoa1516783"],"URL":"https:\/\/doi.org\/10.1056\/nejmoa1516783","relation":{"has-review":[{"id-type":"doi","id":"10.3410\/f.726122532.793572658","asserted-by":"object"}]},"ISSN":["0028-4793","1533-4406"],"issn-type":[{"value":"0028-4793","type":"print"},{"value":"1533-4406","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016,4,7]]}}}