{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T16:04:38Z","timestamp":1793117078053,"version":"4.5.0"},"reference-count":51,"publisher":"Oxford University Press (OUP)","issue":"3","funder":[{"DOI":"10.13039\/100000030","name":"Centers for Disease Control and Prevention","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100000030","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am. J. Epidemiol."],"published-print":{"date-parts":[[2016,8,1]]},"DOI":"10.1093\/aje\/kww043","type":"journal-article","created":{"date-parts":[[2016,7,23]],"date-time":"2016-07-23T20:08:43Z","timestamp":1469304523000},"page":"176-186","source":"Crossref","is-referenced-by-count":65,"title":["Risk of Preterm or Small-for-Gestational-Age Birth After Influenza Vaccination During Pregnancy: Caveats When Conducting Retrospective Observational Studies"],"prefix":"10.1093","volume":"184","author":[{"given":"Gabriela","family":"Vazquez-Benitez","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elyse O.","family":"Kharbanda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Allison L.","family":"Naleway","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heather","family":"Lipkind","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lakshmi","family":"Sukumaran","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalie L.","family":"McCarthy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saad B.","family":"Omer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Qian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stanley","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael L.","family":"Jackson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vinutha","family":"Vijayadev","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicola P.","family":"Klein","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James D.","family":"Nordin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2016,7,22]]},"reference":[{"key":"2016073121203969000_184.3.176.1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pmed.1000441"},{"key":"2016073121203969000_184.3.176.2","doi-asserted-by":"publisher","DOI":"10.1093\/cid\/cit045"},{"issue":"6","key":"2016073121203969000_184.3.176.3","doi-asserted-by":"crossref","first-page":"e33","DOI":"10.2105\/AJPH.2011.300606","article-title":"H1N1 influenza vaccination during pregnancy and fetal and neonatal outcomes","volume":"102","author":"Fell","year":"2012","journal-title":"Am J Public Health"},{"key":"2016073121203969000_184.3.176.4","doi-asserted-by":"publisher","DOI":"10.1016\/S1701-2163(16)35336-1"},{"key":"2016073121203969000_184.3.176.5","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2012.07.007"},{"key":"2016073121203969000_184.3.176.6","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2012.6131"},{"key":"2016073121203969000_184.3.176.7","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpeds.2014.01.037"},{"key":"2016073121203969000_184.3.176.8","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2012.03470.x"},{"key":"2016073121203969000_184.3.176.9","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000000010"},{"key":"2016073121203969000_184.3.176.10","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2014.14825"},{"key":"2016073121203969000_184.3.176.11","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e3182a1118a"},{"key":"2016073121203969000_184.3.176.12","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e3182831b83"},{"key":"2016073121203969000_184.3.176.13","doi-asserted-by":"publisher","DOI":"10.1007\/s10995-012-1176-7"},{"key":"2016073121203969000_184.3.176.14","doi-asserted-by":"publisher","DOI":"10.1093\/aje\/kwp173"},{"key":"2016073121203969000_184.3.176.15","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0022618"},{"key":"2016073121203969000_184.3.176.16","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2288-11-49"},{"key":"2016073121203969000_184.3.176.17","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2015.08.041"},{"key":"2016073121203969000_184.3.176.18","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2014.09.028"},{"key":"2016073121203969000_184.3.176.19","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.f393"},{"key":"2016073121203969000_184.3.176.20","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2010-1722H"},{"key":"2016073121203969000_184.3.176.21","doi-asserted-by":"publisher","DOI":"10.1111\/j.1475-6773.2006.00635.x"},{"key":"2016073121203969000_184.3.176.22","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2013.03.069"},{"key":"2016073121203969000_184.3.176.23","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2431-3-6"},{"key":"2016073121203969000_184.3.176.24","doi-asserted-by":"publisher","DOI":"10.1002\/pds.3319"},{"key":"2016073121203969000_184.3.176.25","doi-asserted-by":"publisher","DOI":"10.2105\/AJPH.84.9.1486"},{"key":"2016073121203969000_184.3.176.26","doi-asserted-by":"publisher","DOI":"10.2105\/AJPH.84.9.1414"},{"key":"2016073121203969000_184.3.176.27","doi-asserted-by":"crossref","unstructured":"Little R , Rubin DB . Statistical Analysis with Missing Data , 2nd ed. New York, NY: John Wiley; 2002.","DOI":"10.1002\/9781119013563"},{"key":"2016073121203969000_184.3.176.28","unstructured":"World Health Organization. FluNet. Geneva, Switzerland: World Health Organization. http:\/\/www.who.int\/influenza\/gisrs_laboratory\/flunet\/en\/ ."},{"key":"2016073121203969000_184.3.176.29","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.330.7497.960"},{"key":"2016073121203969000_184.3.176.30","doi-asserted-by":"publisher","DOI":"10.1111\/1471-0528.12977"},{"key":"2016073121203969000_184.3.176.31","doi-asserted-by":"publisher","DOI":"10.1503\/cmaj.130499"},{"key":"2016073121203969000_184.3.176.32","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2013.08.096"},{"key":"2016073121203969000_184.3.176.33","doi-asserted-by":"publisher","DOI":"10.3109\/14767058.2013.775419"},{"key":"2016073121203969000_184.3.176.34","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2012.04.081"},{"key":"2016073121203969000_184.3.176.35","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2012.06.072"},{"key":"2016073121203969000_184.3.176.36","doi-asserted-by":"crossref","unstructured":"K\u00e4ll\u00e9n B . The problem of confounding in studies of the effect of maternal drug use on pregnancy outcome. Obstet Gynecol Int . 2012;2012:148616.","DOI":"10.1155\/2012\/148616"},{"key":"2016073121203969000_184.3.176.37","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2006.01055.x"},{"key":"2016073121203969000_184.3.176.38","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph110303074"},{"key":"2016073121203969000_184.3.176.39","doi-asserted-by":"publisher","DOI":"10.1093\/epirev\/mxf006"},{"key":"2016073121203969000_184.3.176.40","doi-asserted-by":"publisher","DOI":"10.1093\/aje\/kwt285"},{"key":"2016073121203969000_184.3.176.41","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-3016.2003.00499.x"},{"key":"2016073121203969000_184.3.176.42","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2013.08.097"},{"key":"2016073121203969000_184.3.176.43","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa1207210"},{"key":"2016073121203969000_184.3.176.44","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.g4219"},{"key":"2016073121203969000_184.3.176.45","doi-asserted-by":"publisher","DOI":"10.1007\/s10654-013-9813-z"},{"key":"2016073121203969000_184.3.176.46","doi-asserted-by":"publisher","DOI":"10.1503\/cmaj.061435"},{"key":"2016073121203969000_184.3.176.47","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2004.12.019"},{"issue":"10 suppl 6","key":"2016073121203969000_184.3.176.48","first-page":"S23","article-title":"Vaccinations recommended during pregnancy and breastfeeding","volume":"111","author":"Hubka","year":"2011","journal-title":"J Am Osteopath Assoc"},{"key":"2016073121203969000_184.3.176.49","doi-asserted-by":"publisher","DOI":"10.3109\/14767058.2014.966677"},{"key":"2016073121203969000_184.3.176.50","doi-asserted-by":"publisher","DOI":"10.1002\/pds.2152"},{"key":"2016073121203969000_184.3.176.51","doi-asserted-by":"publisher","DOI":"10.1093\/phr\/116.1.15"}],"container-title":["American Journal of Epidemiology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/aje\/article-pdf\/184\/3\/176\/14092308\/kww043.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,8,24]],"date-time":"2017-08-24T22:01:43Z","timestamp":1503612103000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/aje\/article-lookup\/doi\/10.1093\/aje\/kww043"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,7,22]]},"references-count":51,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2016,7,31]]},"published-print":{"date-parts":[[2016,8,1]]}},"alternative-id":["10.1093\/aje\/kww043"],"URL":"https:\/\/doi.org\/10.1093\/aje\/kww043","relation":{"has-review":[{"id-type":"doi","id":"10.3410\/f.726580413.793552182","asserted-by":"object"}]},"ISSN":["0002-9262","1476-6256"],"issn-type":[{"value":"0002-9262","type":"print"},{"value":"1476-6256","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016,7,22]]}}}