"American physician" . . . . "1954-08-07Z"^^ . . . "1954Z"^^ . . . "1977Z"^^ . "Leonid Poretsky"@en . . . . . . "1977Z"^^ . "Poretsky, Leonid"@en . "Dr. Leonid Poretsky (born August 7, 1954) is a Russian-born American endocrinologist. His research interests include mechanisms of insulin action in the ovary, endocrinological aspects of AIDS, and clinical outcomes in diabetes."@en . .