Sub chronic toxicity asssay of aqueous extract of the leaves of Nerium indicum Mill. on male white mice (Ratus norvegicus) strain wistar - Prasetyawati, Citra; Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta, Indonesia. (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2005)