Adjuvant therapy with pegylated interferon alfa-2b versus observation alone in resected stage III melanoma: final results of EORTC 18991, a randomised phase III trial. - Eggermont AM; Suciu S; Santinami M; Testori A; Kruit WH; Marsden J; Punt CJ; Salès F; Gore M; Mackie R; Kusic Z; Dummer R; et al. (Lancet, 2008)