Authors: Wiessing, LG Houweling, H Sandfort, TGM Schop, W van den Akker, R Hoogenveen, RT

Citation: Lg. Wiessing et al., Reaching homosexual men for HIV surveillance through a gay magazine, EUR J EPID, 15(5), 1999, pp. 429-437

Authors: Houweling, H Wiessing, LG Hamers, FF Termorshuizen, F Gill, ON Sprenger, MJW

Citation: H. Houweling et al., An age-period-cohort analysis of 50 875 AIDS cases among injecting drug users in Europe, INT J EPID, 28(6), 1999, pp. 1141-1148

Authors: Wiessing, LG van Roosmalen, MS Koedijk, P Bieleman, B Houwewling, H

Citation: Lg. Wiessing et al., Silicones, hormones and HIV in transgender street prostitutes, AIDS, 13(16), 1999, pp. 2315-2316

Authors: Houweling, H Heisterkamp, SH Wiessing, LG Coutinho, RA van Wijngaarden, JK Jager, HJC

Citation: H. Houweling et al., Methods for estimating HIV prevalence: A comparison of extrapolation from surveys on infection rate and risk behaviour with back-calculation for the Netherlands, EUR J EPID, 14(7), 1998, pp. 645-652