(untitled) - Silverstein, F E; Faich, G; Goldstein, J L; Simon, L S; Pincus, T; Whelton, A; Makuch, R; Eisen, G; Agrawal, N M; Stenson, W F; Burr, A M; Zhao, W W; Kent, J D; Lefkowith, J B; Verburg, K M; Geis, G S (J. Am. Med. Assoc., 2000)