1. Leef wild, vrij veilig Publication: Amsterdam : Stuurgroep Aidspreventie Homo's, 1991 Subject(s): Acquired Immunodeficiency Syndrome -- prevention & controlSafe SexLions
2. Leef wild, vrij veilig Publication: Amsterdam : Stuurgroep Aidspreventie Homo's, 1991 Subject(s): Acquired Immunodeficiency Syndrome -- prevention & controlSafe SexSnakes