title: Marital status and suicide: some common methodological problems.
authors.forename: Y B
authors.initials: YB
authors.lastname: Cheung
authors.forename: P S
authors.initials: PS
authors.lastname: Yip
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D017533:Marital Status / Q000706:statistics & numerical data; D008875:Middle Aged; D016016:Proportional Hazards Models; D012107:Research Design / Q000592:standards*; D015983:Selection Bias; D013405:Suicide / Q000523:psychology* / Q000706:statistics & numerical data