1. Immunological aspects of aging: an overview;Siskind,1980
2. Aging, immune response and mortality;Roberts-Thompson;Lancet,1974
3. Immunological responses of a healthy elderly population;Goodwin;Clin. Exp. Immunol.,1982
4. An overview of immune ageing;Kay;Mech. Aging Dev.,1975
5. Cellular basis of immunologic aging;Makinodan,1981