Emergency medicine ... psychopaths come out during a full moon.
D000063:Accidents, Traffic / Q000706:statistics & numerical data; D000552:Ambulances / Q000706:statistics & numerical data*; D019538:Health Care Surveys; D006801:Humans; D016081:Moon; D014481:United States / Q000453:epidemiology; D014754:Violence / Q000706:statistics & numerical data