Methodological strategies in suicide.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D008498:Medical Record Linkage; D008875:Middle Aged; D011446:Prospective Studies; D012106:Research; D012189:Retrospective Studies; D012306:Risk; D012922:Social Change; D012959:Socioeconomic Factors; D013405:Suicide / Q000453:epidemiology / Q000523:psychology*; D014481:United States