Ballatori E, Roila F, De Angelis V, Ciccarese G, Palladino MA, Tonato M, Del Favero A, Herrstedt J, Dicato M, du Bois A, Hesketh P, Kris M, Gralla RJ. Clinical and methodological issues in antiemetic therapy: a worldwide survey of experts' opinions. Multinational Association of Supportive Care in Cancer. Support Care Cancer. 1997 Jul; 5(4):269-73.