The seropositive ball an impression of the 69-hour seropositive ball held at Amsterdam's Paradiso in June 1990 - The Seropositive Ball Amsterdam 21. bis 24. Juni 1990; Riper, Heleene; Garcia, David; Riemens, Patrice; Singels, Han; Tidmus, Michael; Ditvorst, Jan (Amsterdam, 1990)
Keywords: Aids; HIV-Infektion; Seropositive Ball <Amsterdam, 1990>; Kongress