Psychiatric illness and season of birth.
D001255:Astrology; D001714:Bipolar Disorder / Q000453:epidemiology; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology*; D008923:Missouri; D009497:Neurotic Disorders / Q000453:epidemiology; D012559:Schizophrenia / Q000453:epidemiology; D012621:Seasons