New technologies and telephone hotlines.
D000328:Adult; D002648:Child; D005201:Fantasy; D005260:Female; D015277:Hotlines / Q000295:instrumentation*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D013405:Suicide / Q000523:psychology; D013406:Suicide, Attempted / Q000517:prevention & control / Q000523:psychology; D013689:Telephone / Q000295:instrumentation*; D000092864:Suicide Prevention