Citation

Sheikh K. Am. J. Public Health 2000; 90(12): 1952-1953.

Copyright

(Copyright © 2000, American Public Health Association)

DOI

10.2105/ajph.90.12.1952

PMID

11111280

PMCID

PMC1446427

Abstract

[Abstract unavailable]

Language: en

Keywords

Aged; Bias; Confounding Factors, Epidemiologic; Depression/*psychology; Humans; Middle Aged; Public Health; Research Design; Risk Factors; Smoking/adverse effects/*psychology; Suicide/*psychology