title: SARS had immense impact on some MDs' practices.
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D009864:Ontario / Q000453:epidemiology; D010818:Practice Patterns, Physicians'; D045169:Severe Acute Respiratory Syndrome / Q000453:epidemiology* / Q000401:mortality; D016526:Workload