AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Hardy J , Ling J , Mansi J , Isaacs R , Bliss J , A'Hem R , Blake P , Gore M , Shepherd J , Hanks G . Pitfalls in placebo-controlled trials in palliative care: dexamethasone for the palliation of malignant bowel obstruction. Palliat Med 1998; 12: 437-442.