In memoriam: Harold I. Lief, MD.
Ruberg
Cynthia Lief
CL
Slowinski
Julian
J
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