RT Article T1 An epidemiologic study of adolescent suicide JF The Canadian journal of psychiatry VO 32 IS 8 SP 656 OP 659 A2 Cheifetz, P. N. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1642385484 K1 Suizid K1 Heranwachsende