title: The use of the telephone hotline in crisis intervention: a review.
mesh_terms: D000488:Allied Health Personnel / Q000706:statistics & numerical data; D003419:Crisis Intervention; D005069:Evaluation Studies as Topic; D006801:Humans; D008605:Mental Health Services; D012017:Referral and Consultation; D013689:Telephone; D014481:United States; D014838:Volunteers; D000078329:Workforce