1. Carcinogenicity of combined oestrogen–progestagen contraceptives and menopausal treatment;Cogliano;Lancet Oncol,2005
2. IARC Monographs on the evaluation of carcinogenic risks to humans, volume 91, combined oestrogen-progestogen contraceptives and combined oestrogen-progestogen menopausal therapy. Lyon: International Agency for Research on Cancer (in press).