found: Epidemiology and health risk assessment, 1987:CIP t.p. (Leon Gordis) galleys (M.D., Dr. P.H.; prof. and chairman, Dept. of Epidem., Johns Hopkins Univ. Sch. of Hyg. and Pub. Health)
found: LC files, 11/13/86(hdg.: Gordis, Leon)
found: NLM files, 11/13/86(hdg.: Gordis, Leon, 1934- )
found: Gordis epidemiology, 2019:p. v (in memoriam, Leon Gordis, MD, MPH, DrPH, 1934-2015)
found: Epidemiología, ©2005:title page (Leon Gordis, MD, MPH, DrPH, Professor of Epidemiology, Johns Hopkins Bloomberg School of Public Health)