Rawlings, Jburgess, C; Tabony, L; Campman, R; Hendricks, K; Stevenson, G; Vela, L; Simpson, D; TapiaConyer, R; Matus, CR; GomezDantes, H; Montesanos, R; Flisser, A; Briseno, B; Bernal, SI; Medina, CC; Flores, G; Coello, GD; Hayes, J; Craig , GB; Blackmore, MS; Mutebi, JP
(JAMA, Journal of the American Medical Association, 1996)