An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Witte EH, Peters AA, Smit IB, van der Linden MC, Mouton RP, van der Meer JW, van Erp EJ.Witte EH, et al. Among authors: van erp ej.Eur J Obstet Gynecol Reprod Biol. 1993 Jul;50(2):153-8. doi: 10.1016/0028-2243(93)90180-k.Eur J Obstet Gynecol Reprod Biol. 1993.PMID: 8405644Free article.Clinical Trial.
Scheepers HC, van Erp EJ, van den Bergh AS.Scheepers HC, et al. Among authors: van erp ej.Obstet Gynecol Surv. 1999 Sep;54(9):592-600. doi: 10.1097/00006254-199909000-00024.Obstet Gynecol Surv. 1999.PMID: 10481856Review.
Schueler JA, Van De Lubbe PA, Van Erp EJ, Smith SJ, Holm JP.Schueler JA, et al. Among authors: van de lubbe pa, van erp ej.Ned Tijdschr Geneeskd. 1990 Aug 11;134(32):1558-61.Ned Tijdschr Geneeskd. 1990.PMID: 2392179Dutch.
Verloop J, van Leeuwen FE, Helmerhorst TJM, de Kok IMCM, van Erp EJM, van Boven HH, Rookus MA.Verloop J, et al. Among authors: van erp ejm.Gynecol Oncol. 2017 Feb;144(2):305-311. doi: 10.1016/j.ygyno.2016.11.048. Epub 2016 Dec 7.Gynecol Oncol. 2017.PMID: 27939984Free article.