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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2004 1
2006 3
2008 1
2009 3
2010 2
2011 2
2012 3
2013 3
2014 4
2015 5
2016 7
2017 13
2018 11
2019 12
2020 11
2021 2
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67 results
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Page 1
The Diagnosis and Treatment of Ectopic Pregnancy.
Taran FA, Kagan KO, Hübner M, Hoopmann M, Wallwiener D, Brucker S. Taran FA, et al. Among authors: kagan ko. Dtsch Arztebl Int. 2015 Oct 9;112(41):693-703; quiz 704-5. doi: 10.3238/arztebl.2015.0693. Dtsch Arztebl Int. 2015. PMID: 26554319 Free PMC article. Review.
Cytomegalovirus infection in pregnancy.
Kagan KO, Hamprecht K. Kagan KO, et al. Arch Gynecol Obstet. 2017 Jul;296(1):15-26. doi: 10.1007/s00404-017-4380-2. Epub 2017 May 15. Arch Gynecol Obstet. 2017. PMID: 28508343 Review.
Abnormal Placentation and Umbilical Cord Insertion.
Hoopmann M, Kagan KO. Hoopmann M, et al. Among authors: kagan ko. Ultraschall Med. 2020 Apr;41(2):120-137. doi: 10.1055/a-1079-0013. Epub 2020 Apr 7. Ultraschall Med. 2020. PMID: 32259863 English.
Inverted Pyramid of Care.
Sonek JD, Kagan KO, Nicolaides KH. Sonek JD, et al. Among authors: kagan ko. Clin Lab Med. 2016 Jun;36(2):305-17. doi: 10.1016/j.cll.2016.01.009. Epub 2016 Mar 14. Clin Lab Med. 2016. PMID: 27235914 Review.
Fetal profile in fetuses with open spina bifida.
Prodan N, Hoopmann M, Sonek J, Oettling C, Abele H, Wagner P, Kagan KO. Prodan N, et al. Among authors: kagan ko. Arch Gynecol Obstet. 2020 May;301(5):1167-1171. doi: 10.1007/s00404-020-05503-8. Epub 2020 Mar 24. Arch Gynecol Obstet. 2020. PMID: 32211952 Free PMC article.
[The Fetal Profile - More Than Just NT].
Hoopmann M, Kagan KO. Hoopmann M, et al. Among authors: kagan ko. Ultraschall Med. 2017 Dec;38(6):611-618. doi: 10.1055/s-0043-118533. Epub 2017 Sep 21. Ultraschall Med. 2017. PMID: 28934815 Review. German.
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