Physician service in Montreal before universal health insurance.
D000367:Age Factors; D000368:Aged; D003191:Comprehensive Health Care; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data; D005191:Family Characteristics; D005260:Female; D005380:Financing, Government; D006801:Humans; D007182:Income; D007354:Insurance, Major Medical; D008297:Male; D008485:Medical Audit; D008511:Medicine; D008875:Middle Aged; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data; D010820:Physicians / Q000706:statistics & numerical data*; D011216:Practice Management, Medical; D011792:Quebec; D012494:Sampling Studies; D013038:Specialization; D014600:Utilization Review