Res Vet Sci 2013 Dec 12;95(3):1224-34. Epub 2013 Aug 12.
Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; Faculty of Medicine and Health Sciences, Universiti Tunku Abdul Rahman, Sungai Long Campus, Jalan Sungai Long, Bandar Sungai Long, Cheras, Kajang 43000, Selangor, Malaysia.