TY - SER AU - Mahmood, Atif AU - Aziz, Qamer AU - Nangrejo, Ruqaya AU - Siddiqui, Iftikhar Ahmed TI - Superoxide Dismutase (Sod1) Gene Polymorphism in Cataract Patients of Karachi, Pakistan KW - Cataract KW - Polymerase Chain Reaction KW - Polymorphism ER -