title: Tribute to Alan S. Morrison.
authors.affiliation: Harvard University School of Public Health, Department of Epidemiology, Boston, MA 02115.
authors.forename: B
authors.initials: B
authors.lastname: MacMahon
authors.forename: P
authors.initials: P
authors.lastname: Cole
authors.forename: K
authors.initials: K
authors.lastname: Rothman
mesh_terms: D004813:Epidemiology / Q000266:history; D049673:History, 20th Century; D014481:United States