Chronic callers to a suicide prevention center.
D000293:Adolescent; D000328:Adult; D001291:Attitude of Health Personnel; D003156:Community Mental Health Services / Q000706:statistics & numerical data*; D003376:Counseling; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000628:therapy; D008875:Middle Aged; D009518:New York; D013689:Telephone; D013997:Time Factors; D000078329:Workforce; D000092864:Suicide Prevention