Professional standards during epidemics: the Singapore experience.
D000488:Allied Health Personnel; D004196:Disease Outbreaks / Q000266:history*; D049670:History, 17th Century; D006801:Humans; D008131:London; D009784:Occupational Diseases / Q000453:epidemiology*; D010930:Plague / Q000453:epidemiology* / Q000266:history; D045169:Severe Acute Respiratory Syndrome / Q000453:epidemiology*; D012846:Singapore