title: Harold Trapido 1916-1991.
authors.affiliation: Department of Epidemiology and Public Health, Yale University School of Medicine, New Haven, CT 06510.
authors.forename: T H
authors.initials: TH
authors.lastname: Aitken
mesh_terms: D001695:Biology / Q000266:history; D049673:History, 20th Century; D014481:United States