1. Postnatal expansion of the natural killer and killer cell population in humans identified by the monoclonal HNK-1 antibody;Abo,1982
2. Catalytic unit of adenylate cyclase: reduced activity in aged human lymphocytes;Abrass,1982
3. Alcohol-related hospitalizations of elderly people: prevalence and geographic variation in the United States;Adams,1993
4. Decline in the growth potential of spleen colonizing bone marrow stem cells of long-lived aging mice;Albright,1976
5. Suppressor cell function in man: evidence for altered sensitivity of responder cells with age;Antel,1979