Suicide calls and identification of suicidal callers.
D000428:Alcohol Drinking; D003142:Communication; D003419:Crisis Intervention; D004243:Divorce; D004630:Emergencies; D005260:Female; D006117:Grief; D006801:Humans; D007600:Judgment; D008297:Male; D012737:Sex Factors; D012847:Single Person; D013689:Telephone; D014837:Voluntary Health Agencies; D000092864:Suicide Prevention