Mucous dilution activity of non soluble ethylacetate fraction syrup of hibiscus flowers (Hibiscus rosa-sinensis L.) at cow intestinein vitro - Murrukmihadi, Mimiek; Department of Pharmaceutical, Faculty of Pharmacy, Universitas Gadjah Mada Sekip Utara Yogyakarta 55281 (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2011)