Prevalence of suicide ideation and suicide attempts in nine countries. - Weissman,M.M.; Bland,R.C.; Canino,G.J.; Greenwald,S.; Hwu,H.G.; Joyce,P.R.; Karam,E.G.; Lee,C.K.; Lellouch,J.; Lepine,J.P.; Newman,S.C.; Rubio-Stipec,M.; et al. (Psychol Med, 1999)