1
Publication: Wil, Infomed-Verl.-AG, 1988-
2
Publication: New York, NY, Gay Men's Health Crisis, 1996-
3
Publication: New York, NY, POZ Publ., 1995-
4
Publication: Bristol, IOP Publ., 1993-1998
5
Publication: 1996-1997
7
Publication: 1995-2006