{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T04:54:23Z","timestamp":1768539263136,"version":"3.49.0"},"reference-count":12,"publisher":"BMJ","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Emergency Medicine Journal"],"published-print":{"date-parts":[[1998,5,1]]},"DOI":"10.1136\/emj.15.3.155","type":"journal-article","created":{"date-parts":[[2008,10,30]],"date-time":"2008-10-30T21:54:16Z","timestamp":1225403656000},"page":"155-158","source":"Crossref","is-referenced-by-count":18,"title":["Efficacy of transabdominal ultrasound examination in the diagnosis of early pregnancy complications in an emergency department."],"prefix":"10.1136","volume":"15","author":[{"given":"T W","family":"Wong","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C C","family":"Lau","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A","family":"Yeung","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L","family":"Lo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C M","family":"Tai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1098","DOI":"10.1016\/S0196-0644(05)81511-2","article-title":"Emergency department diagnosis of ectopic pregnancy","volume":"19","author":"Stovall, T.G.; Kellerman, A.L.; Ling, F.W.; Buster, J.E.","year":"1990","unstructured":"Stovall TG, Kellerman AL, Ling FW, Buster JE. Emergency department diagnosis of ectopic pregnancy. Ann Emerg Med 1990;19:1098-103.","journal-title":"Ann Emerg Med"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"27","DOI":"10.1016\/S0733-8627(20)30732-X","article-title":"Ultrasonography in emergency medicine","volume":"10","author":"Heller, M.B.; Verdile, V.P.","year":"1992","unstructured":"Heller MB, Verdile VP. Ultrasonography in emergency medicine. Emerg Med Clin North Am 1992;10:27-45.","journal-title":"Emerg Med Clin North Am"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1016\/0735-6757(94)90244-5","article-title":"A prospective study of ultrasonography in the ED by emergency physicians","volume":"12","author":"Schlager, D.","year":"1994","unstructured":"Schlager D, Lazzareschi G, Whitten D, Sanders AB. A prospective study of ultrasonography in the ED by emergency physicians. Am J Emerg Med 1994; 12:185-9.","journal-title":"Am J Emerg Med"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"311","DOI":"10.1016\/S0196-0644(84)80112-2","article-title":"The efficacy of abdominal and pelvic ultrasound in the emergency department","volume":"13","author":"Shea, D.J.; Aghababian, R.V.","year":"1984","unstructured":"Shea DJ, Aghababian RV. The efficacy of abdominal and pelvic ultrasound in the emergency department. Ann Emerg Med 1984; 13:311-16.","journal-title":"Ann Emerg Med"},{"key":"ref_5","first-page":"251","article-title":"Sonographic evaluation of ectopic pregnancy: an update","volume":"165","author":"Frates, M.C.; Laing, F.C.","year":"1995","unstructured":"Frates MC, Laing FC. Sonographic evaluation of ectopic pregnancy: an update. AmJ Radiol 1995;165:251-9.","journal-title":"AmJ Radiol"},{"key":"ref_6","first-page":"1010","article-title":"Prompt diagnosis of ectopic pregnancy in an emergency department setting","volume":"84","author":"Barnhart, K.; Mennuti, M.T.; Benjamin, I.; Jacobson, S.; Goodman, D.; Coutifaris, C.","year":"1994","unstructured":"Barnhart K, Mennuti MT, Benjamin I, Jacobson S, Goodman D, Coutifaris C. Prompt diagnosis of ectopic pregnancy in an emergency department setting. Obstet Gynecol 1994;84:1010-15.","journal-title":"Obstet Gynecol"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"10","DOI":"10.1016\/S0196-0644(96)70131-2","article-title":"Ectopic pregnancy: prospective study with improved diagnostic accuracy","volume":"28","author":"Kaplan, B.C.; Dart, R.G.; Moskos, M.; Kuligowska, E.; Chun, B.; Adel-Hamid, M.","year":"1996","unstructured":"Kaplan BC, Dart RG, Moskos M, Kuligowska E, Chun B, Adel-Hamid M, et al. Ectopic pregnancy: prospective study with improved diagnostic accuracy. Ann Emerg Med 1996; 28: 10-17.","journal-title":"Ann Emerg Med"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"867","DOI":"10.1111\/j.1553-2712.1995.tb03099.x","article-title":"Ultrasonographic examination by emergency physicians of patients at risk for ectopic pregnancy","volume":"2","author":"Mateer, JR, Aiman; EJ, Brown; MH, Olson; D.W.","year":"1995","unstructured":"Mateer JR, Aiman EJ, Brown MH, Olson DW. Ultrasonographic examination by emergency physicians of patients at risk for ectopic pregnancy. Acad Emerg Med 1995;2:867-73.","journal-title":"Acad Emerg Med"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"797","DOI":"10.1148\/radiology.190.3.7509494","article-title":"Emergency department screening for ectopic pregnancy: a prospective US study","volume":"190","author":"Braffman, B.H.; Coleman, B.G.; Ramchandani, P.; Arger, P.H.; Nodine, C.F.; Kinsmore, B.J.","year":"1994","unstructured":"Braffman BH, Coleman BG, Ramchandani P, Arger PH, Nodine CF, Kinsmore BJ, et al. Emergency department screening for ectopic pregnancy: a prospective US study. Radiology 1994; 190:797-802.","journal-title":"Radiology"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"1307","DOI":"10.1093\/oxfordjournals.humrep.a138247","article-title":"Transvaginal sonography and human chorionic gonadotrophin measurements in suspected ectopic pregnancy: a detailed analysis of a diagnostic approach","volume":"8","author":"Ankum, W.M.; Van der Veen, F.; Hamerlynck, J.V.; Lammes, F.B.","year":"1993","unstructured":"Ankum WM, Van der Veen F, Hamerlynck JV, Lammes FB. Transvaginal sonography and human chorionic gonadotrophin measurements in suspected ectopic pregnancy: a detailed analysis of a diagnostic approach. Hum Reprod 1993;8:1307-1 1.","journal-title":"Hum Reprod"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1093\/oxfordjournals.humrep.a138307","article-title":"Rapid diagnosis of early ectopic pregnancy in an emergency gynecological service: are measurements of progesterone, intact and free beta human chorionic gonadotrphin helpful?","volume":"9","author":"Ledger, W.L.; Sweeting, V.M.; Chatterjee, S.","year":"1994","unstructured":"Ledger WL, Sweeting VM, Chatterjee S. Rapid diagnosis of early ectopic pregnancy in an emergency gynecological service: are measurements of progesterone, intact and free beta human chorionic gonadotrphin helpful? Hum Reprod 1994;9: 157-60.","journal-title":"Hum Reprod"},{"key":"ref_12","first-page":"231","article-title":"Cost effectiveness of pelvic sonogram in the emergency room: endovaginal vs. transabdominal examination","volume-title":"Emerg Radiol","volume":"3","author":"Hazlett, K.S.; Wagner, A.; Guidi, C.; Victoria, D.; Weir, S.; Wise, S.","year":"1996","unstructured":"Hazlett KS, Wagner A, Guidi C, Victoria D, Weir S, Wise S. Cost effectiveness of pelvic sonogram in the emergency room: endovaginal vs. transabdominal examination. Emerg Radiol 1996;3:231-5."}],"container-title":["Emergency Medicine Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/emj.15.3.155","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,9,19]],"date-time":"2021-09-19T19:58:34Z","timestamp":1632081514000},"score":1,"resource":{"primary":{"URL":"https:\/\/emj.bmj.com\/lookup\/doi\/10.1136\/emj.15.3.155"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1998,5,1]]},"references-count":12,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1998,5,1]]}},"URL":"https:\/\/doi.org\/10.1136\/emj.15.3.155","relation":{},"ISSN":["1472-0205","1472-0213"],"issn-type":[{"value":"1472-0205","type":"print"},{"value":"1472-0213","type":"electronic"}],"subject":[],"published":{"date-parts":[[1998,5,1]]}}}