epidemiology of cancer, Hodgkin's disease, multiple sclerosis and other chronic diseases
diseases in twins
smallpox
Additional Information
Chairman, CAL-EPA Scientific Advisory Committee on Carcinogen Identification
Founder: International Twin Registry, a continent-wide series of comparisons between patients with chronic diseases and their unaffected twins; California Twin Program, an analogous program of studies among twins who differ in lifestyle or personal exposures and experiences
Member, Advisory Panel, National Death Index, National Center for Health Statistics
