Tolerability profiles of rofecoxib (Vioxx) and Arthrotec. A comparison of six weeks treatment in patients with osteoarthritis. - Acevedo E; Castañeda O; Ugaz M; Beaulieu AD; Pons-Estel B; Caeiro F; Casas N; Garza-Elizondo M; Irazoque F; Hinojosa W; Gutierrez-Ureña S; Vandormael K; et al. (Scandinavian journal of rheumatology, 2001)