Backcalculation of the number infected with Human Immunodeficiency Virus in Germany
In: Journal of Acquired Immune Deficiency Syndromes, Jg. 7 H. 1, S. 74-781994
Cigarette smoking: a modifier of human immunodeficiency virus type 1 infection?
In: Journal of Acquired Immune Deficiency Syndromes, Jg. 4 H. 1, S. 76-831991

Immunologic markers of AIDS progression - consistency across 5 HIV-infected cohorts: multicohort analysis project workshop, part 1
In: AIDS, Jg. 8 H. 7, S. 911-9211994
Immunologic markers of progression to acquired immunodeficiency syndrome are time-dependent and illness-specific
In: American Journal of Epidemiology, Jg. 136 H. 1, S. 71-801992

Neopterin and [beta]2-microglobulin as prognostic indices in human immunodeficiency virus type 1 infection
In: Infection, Jg. 19 H. S2, S. S98-S1021991
Prognostic value of serum [beta]2-microglobulin in HIV infection
In: The Lancet, Jg. 340 H. 8815, S. 370-3721992
