A study of interaction of cigarette smoke with alpha-1 antitrypsin and adenosine deaminase in patients of chronic obstructive pulmonary diseases (COPD) and antioxidant role of vitamin E Journal title: International Journal of Clinical Biochemistry and Research Authors: Dhananjay V Andure, Anita M. Raut, Ramchandra K. Padalka, Sangita M. Patil, Sonali S. Bhagat Subject(s):