TY - BOOK AU - Mehrotra Saurabh AU - Dr. A. B. Mitra Gu. AU - Dr. Suresh Kumar Gu. AU - University of Delhi. Faculty of Medical Sciences. Department of Medicine ED - University of Delhi. Faculty of Medical Sciences. Department of Medicine TI - To study the polymorphism of glutathione S-transferase M1 and glutathione S-transferase T1 gene in patients of chronic obstrictive airway disease PY - 2004/// KW - MEDICINE ER -