European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology|February 1, 1990
Journal of Acquired Immune Deficiency Syndromes and Human Retrovirology : Official Publication of the International Retrovirology Association|September 10, 1998
European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology|February 1, 1990
Journal of Acquired Immune Deficiency Syndromes and Human Retrovirology : Official Publication of the International Retrovirology Association|September 10, 1998