Association of IRS1 gene Pro512Ala polymorphism with nonalcoholic fatty liver disease oleh Asadollah Asadi, Mitra Rostami, Radmehr Shafiee, Abbas Ardalani, Atefeh Dehghanitafti, Zakieh Golshadi, Kiarash Kohansal, Fatemeh Ghasemi, Maryam Najafi, Touraj Mahmoudi, Gholamreza Rezamand, Reza Dabiri, Hossein Nobakht, Hamid Farahani, Seidamir Pasha Tabaeian