APA

Swapna R. Au, University of Delhi. Faculty of Medical Sciences. Department of Pulmonary Medicine, Dr. S. K. Chhabra Gu, Dr. Vishal Bansal Gu & University of Delhi. Faculty of Medical Sciences. Department of Pulmonary Medicine. (2012). Effect of ipratropium and salbutamol on heart rate variability in chronic obstructive pulmonary disease. : .

Chicago

Swapna R. Au, University of Delhi. Faculty of Medical Sciences. Department of Pulmonary Medicine, Dr. S. K. Chhabra Gu, Dr. Vishal Bansal Gu and University of Delhi. Faculty of Medical Sciences. Department of Pulmonary Medicine. 2012. Effect of ipratropium and salbutamol on heart rate variability in chronic obstructive pulmonary disease. : .

Harvard

Swapna R. Au, University of Delhi. Faculty of Medical Sciences. Department of Pulmonary Medicine, Dr. S. K. Chhabra Gu, Dr. Vishal Bansal Gu and University of Delhi. Faculty of Medical Sciences. Department of Pulmonary Medicine. (2012). Effect of ipratropium and salbutamol on heart rate variability in chronic obstructive pulmonary disease. : .

MLA

Swapna R. Au, University of Delhi. Faculty of Medical Sciences. Department of Pulmonary Medicine, Dr. S. K. Chhabra Gu, Dr. Vishal Bansal Gu and University of Delhi. Faculty of Medical Sciences. Department of Pulmonary Medicine. Effect of ipratropium and salbutamol on heart rate variability in chronic obstructive pulmonary disease. : . 2012.