Health services research into postnatal depression: results from a preliminary cross-cultural study. - Chisholm,D.; Conroy,S.; Glangeaud-Freudenthal,N.; Oates,M.R.; Asten,P.; Barry,S.; Figueiredo,B.; Kammerer,M.H.; Klier,C.M.; Seneviratne,G.; Sutter-Dallay,A-L. (Br J Psychiatry, 2004)