共 8 条
[1]
Katz et al. The New England Journal of Medicine . 1983
[2]
Kenneth G et al. Journal of Gerontology Social Sciences . 1988
[3]
Kenneth G et al. Journal of gerontology social SCIENCES . 1991
[4]
Robine JM. British Medical Journal . 1991
[5]
Colvez A et al. International Journal of Epidemiology . 1983
[6]
Stephen CN. Statistics in Medicine . 1988
[7]
Rogers A et al. Public Health Reports . 1989
[8]
Sanders BS. American Journal of Public Health . 1964