title: In memoriam Daniel X. Freedman, MD August 17, 1921, to June 3, 1993.
authors.affiliation: Division of Clinical-Genetic Epidemiology, New York State Psychiatric Institute, NY 10032.
authors.forename: M M
authors.initials: MM
authors.lastname: Weissman
mesh_terms: D049673:History, 20th Century; D010506:Periodicals as Topic / Q000266:history; D011570:Psychiatry / Q000266:history; D014481:United States