Alpha-1 antitrypsin deficiency in patients with chronic hepatitis - Şimşek, Halis; PINAR, Aslı; Altınbaş, Akif; ALP, Alparslan; BALABAN, Yasemin H.; BÜYÜKAŞIK, Yahya; ÖZCEBE, Osman; HASÇELİK, Gülşen and GEDİKOĞLU, Gökhan and Tatar, Gonca (Turkish Journal of Gastroenterology, 2012)