Effect of Flavonoids Extracted from Black Cumin (Nigella sativa) and Vitamin E in Ameliorating Hepatic Damage Induced by Sodium Nitrate in adult male rats: Baraa N. AL-Okaily 1, Rawya Shaker Mohammed , Kahtan A. Al-Mzain1 and Khalisa Khadim Khudair1. Iraqi J. Vet. Med. 2012;36(0E):172-181. doi:10.30539/iraqijvm.v36i0E.413