Suppression of DMBA-induced carcinogenesis of breast cancer in post initition stage by ethanolic extract of Gynura procumbens (Lour), Merr leaves - Meiyanto, Edy; Faculty of Pharmacy, Universitas Gadjah Mada Sekip Utara Yogyakarta, 55281. Phone: 0274-543120 (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2007)