Aceclofenac is as safe and effective as tenoxicam in the treatment of ankylosing spondylitis: A 3 month multicenter comparative trial - Alcazar, LFV; DeBuergo, MA; Lenza, HR; Fruitos, EM; Altuzarra, LM; MartinSantos, JM; Arnas, C; Delgado, C; Bosque, MT; Banares, A; Collado, P; Godoy, FJ; et al. (Journal Of Rheumatology, 1996)