1. In our data on haemophiliacs we found that the average interval of uncertainty was about three years and that in 39 subjects the first antibody test result was positive. Most of these tests, however, were performed before 1984. It may be noted that the "exponential" estimate is always closer to the right endpoint of the uncertainty interval than is the midpoint
2. The natural history of human immunodeficiency virus infection in a cohort of homosexual and bisexual men: a 7-year prospective study;NA, I.Hessol; GW, Rutherford; PM, O.'Malley,1987
3. Natural history of human immunodeficiency virus infections in hemophiliacs: effects on T-cell subsets, platelet counts and age;Eyster, M.E.; Gail, M.H.; Ballard, J.O.; Al-Mondhiry, H.; Goedert, J.J.;Ann Intern Med,1987
4. Transfusion-associated AIDS in the United States;Peterman, T.A.; Holmberg, S.D.; Lui, K.-J.
5. A model-based approach for estimating the mean incubation period of transfusion-associated acquired immunodeficiency syndrome;Lui, K.-J.; Lawrence, D.N.; Morgan, W.M.; Peterman, T.A.; Haverkos, H.W.; Bregman, D.J.;Proc Natl Acad Sci USA,1986