Medical Society of Nova Scotia2013-01-102013-01-101953Nova Scotia Medical Bulletin 32(11), 1953http://hdl.handle.net/10222/15884pp. 307-349enMedical Society of Nova Scotia. General Practitioners BranchMedical Society of Nova Scotia,Dalhousie University. Faculty of Medicine. Post-Graduate DivisionCollege of General Practitioners of CanadaText