Double-blind, placebo-controlled, dose-finding study of rizatriptan (MK-462) in the acute treatment of migraine. - Gijsmant, H; Kramer, MS; Sargent, J; Tuchman, M; Maczura-Wolfe, D; Polis, A; Teall, J; Block, G; Ferrari, MD (Cephalalgia, 1997)