The effect of betle (Piper betle L.) leaf juice pretreatment on the pharmacokinetics of propranolol on male white rat - Nugroho, Agung Endro; Pharmacology and Toxicology Laboratory Faculty of Pharmacy Universitas Gadjah Mada Yogyakarta (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2005)