Umer Javed-sup- Dr. Saadia zahid TH-MS-Ameliorative Effects of Nigella sativa Extract on Lea (pb) Induced Degeneraton and Oxidative Stress in Mice Umer Javed-sup- Dr. Saadia zahid - Islamabad ASAB NUST 2014 - xiv, 97 P 30 cm Subjects--Uniform Titles: Virology and Immunology