Sunanda Ray, Nyasha Gumbo, Michael Mbizvo. Local Voices: What Some Harare Men Say about Preparation for Sex. Reproductive Health Matters (Reproductive Health Matters). May 1996, 4 (7): 34–45. JSTOR 3775349. doi:10.1016/S0968-8080(96)90004-X.
van Andel T, de Korte S, Koopmans D, Behari-Ramdas J, Ruysschaert S. Dry sex in Suriname. J Ethnopharmacol. February 2008, 116 (1): 84–8. PMID 18083316. doi:10.1016/j.jep.2007.11.003.
Sunanda Ray, Nyasha Gumbo, Michael Mbizvo. Local Voices: What Some Harare Men Say about Preparation for Sex. Reproductive Health Matters (Reproductive Health Matters). May 1996, 4 (7): 34–45. JSTOR 3775349. doi:10.1016/S0968-8080(96)90004-X.
nih.gov
ncbi.nlm.nih.gov
van Andel T, de Korte S, Koopmans D, Behari-Ramdas J, Ruysschaert S. Dry sex in Suriname. J Ethnopharmacol. February 2008, 116 (1): 84–8. PMID 18083316. doi:10.1016/j.jep.2007.11.003.
