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de Vries HJ, van der Bij AK, Fennema JS, Smit C, de Wolf F, Prins M, Coutinho RA, Morré SA.de Vries HJ, et al. Among authors: fennema js.Sex Transm Dis. 2008 Feb;35(2):203-8. doi: 10.1097/OLQ.0b013e31815abb08.Sex Transm Dis. 2008.PMID: 18091565
Götz HM, van den Broek IV, Hoebe CJ, Brouwers EE, Pars LL, Fennema JS, Koekenbier RH, van Ravesteijn S, Op de Coul EL, van Bergen J.Götz HM, et al. Among authors: fennema js.Sex Transm Infect. 2013 Feb;89(1):63-9. doi: 10.1136/sextrans-2011-050455. Epub 2012 Jun 23.Sex Transm Infect. 2013.PMID: 22728910
Schmid BV, Over EA, van den Broek IV, Op de Coul EL, van Bergen JE, Fennema JS, Götz HM, Hoebe CJ, de Wit GA, van der Sande MA, Kretzschmar ME.Schmid BV, et al. Among authors: fennema js.PLoS One. 2013;8(3):e58674. doi: 10.1371/journal.pone.0058674. Epub 2013 Mar 20.PLoS One. 2013.PMID: 23527005Free PMC article.Clinical Trial.