Prevention of cisplatin-induced emesis: a double-blind multicenter randomized crossover study comparing ondansetron and ondansetron plus dexamethasone - Roila, F; Tonato, M; Cognetti, F; Cortesi, E; Favalli, G; Marangolo, M; Amadori, D; Bella, M A; Gramazio, V; Donati, D (Journal of Clinical Oncology, 1991)