Isolation of cytotoxic substance from Kaliapsis sponge - Setyowati, Erna Prawita; Faculty of Pharmacy, Universitas Gadjah Mada Sekip Utara Yogyakarta, 55281. Phone: 0274-542738 (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2007)