Open season on depression.
D003863:Depression / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control*; D003866:Depressive Disorder / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control*; D006801:Humans; D008403:Mass Screening; D008404:Massachusetts; D014481:United States / Q000453:epidemiology