Feasibility of transdermal transport of atenolol by combination of iontophoresis and oleic acid pretreatment - Nugroho, Akhmad Kharis; Faculty of Pharmacy Gadjah Mada University, Sekip Utara Yogyakarta (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2011)