Summer in the city: urban weather conditions and psychiatric emergency-room visits.
D002140:California; D004637:Emergency Services, Psychiatric / Q000706:statistics & numerical data*; D006801:Humans; D001523:Mental Disorders / Q000209:etiology*; D008605:Mental Health Services / Q000706:statistics & numerical data*; D012621:Seasons; D014505:Urban Population; D014887:Weather