Effectiveness of yearly, register based screening for chlamydia in the Netherlands: controlled trial with randomised stepped wedge implementation.
van den Broek, Kretzschmar, de Wilt, van Bergen, Brouwers, Fennema, H.M. Götz, C.J.P.A. Hoebe, Rik Koekenbier, Over, Boris Schmid, Lydia Pars, Sander van Ravesteijn, van der Sande, Nicola Low, E.L.M. Op de Coul2012Tijdschriftartikel