Salès, F.

patient interferon group survival observation treatment melanoma interferon group observation group recurrence-free survival metastasis-free survival pegylated trial event hospital number stage recurrence-free disease e ffect analysis adjuvant study eortc cancer metastasis-free death nodal hazard ratio centre tumour university phase table randomisation month involvement toxicity analyses duration value lymph recurrence randomised stage iii melanoma metastase lymph nodes nodal disease p value adjuvant therapy therapy nodal involvement grade univariate signi follow-up article 5 years univariate analysis resected di fference www.thelancet.com research signi ficant center relapse oncol oncology treatment duration nr nr ulceration fference eggermont pegylated interferon multivariate induction istituto metastasi ficant