C. Callahan

发表

S. Fihn, R. White, R. White, 1994, Journal of General Internal Medicine.

L. Kingsley, R. Valdiserri, L. Leviton, 1990, AIDS education and prevention : official publication of the International Society for AIDS Education.

G. Marsh, P. Enterline, V. Henderson, 1987, The Annals of occupational hygiene.

L. Leviton, E. Talbott, G. Marsh, 1990, Journal of occupational medicine. : official publication of the Industrial Medical Association.

S. Fihn, M. McDonell, C. Callahan, 1996, Annals of Internal Medicine.

L. Kingsley, R. Valdiserri, L. Leviton, 1988, American journal of public health.

L. Leviton, E. Talbott, G. Marsh, 1991, American journal of public health.

R. J. Johnson, J. F. Fitzgerald, F. D. Wolinsky, 1993, Journal of gerontology.

Stephan D. Fihn, Jorja G. Henikoff, Richard H. White, 1994, Journal of General Internal Medicine.

R. J. Johnson, J. F. Fitzgerald, F. D. Wolinsky, 1992, Journal of gerontology.

L. Leviton, G. Marsh, D. Sachs, 1988, American journal of industrial medicine.

Ralph A. Alexander, Jeffrey J. Bailey, Todd J. Maurer, 2006 .