RT Article T1 Suicide in Japan: socioeconomic effects on its secular and seasonal trends JF Suicide and life-threatening behavior VO 17 IS 1 SP 64 OP 71 A1 Araki, Shunichi A1 Murata, Katsuyuki LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1642751022 K1 Suizid K1 Japan