S. Saint, D. A. Christakis, S. Saha, J. G. Elmore, D. E. Welsh, P. Baker, and T. D. Koepsell. Journal of general internal medicine : official journal of the Society for Research and Education in Primary Care Internal Medicine15(12):881-884 (December 2000)LR: 20061115; PUBM: Print; JID: 8605834; ppublish.
S. Saint, D. A. Christakis, S. Saha, J. G. Elmore, D. E. Welsh, P. Baker, and T. D. Koepsell. Journal of general internal medicine : official journal of the Society for Research and Education in Primary Care Internal Medicine15(12):881-884 (December 2000)LR: 20061115; PUBM: Print; JID: 8605834; ppublish.