title: In memoriam: Samuel Vaisrub, MD, FRCP(C), MRCP(Lond) 1906--1980.
mesh_terms: D002170:Canada; D005194:Family Practice / Q000266:history; D049673:History, 20th Century; D012425:Russia (Pre-1917); D013663:Teaching / Q000266:history; D014481:United States; D014956:Writing