title: In memoriam: Harold I. Lief, MD.
authors.forename: Cynthia Lief
authors.initials: CL
authors.lastname: Ruberg
authors.forename: Julian
authors.initials: J
authors.lastname: Slowinski
mesh_terms: D002983:Clinical Competence; D005194:Family Practice / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008388:Marital Therapy / Q000266:history*; D012736:Sex Education / Q000266:history*; D014481:United States