Ahmed, M. N. U.; Begum, S.; Ali, T.; Rahman, M. . M. U.; Hussain, D.; Kabir, F.; Nayem, M.; Hussain, M. Effects of Pulmonary Rehabilitation on Body Mass Index In Patients With Copd. J. Dhaka Natl. Med. Coll. Hosp. 2014, 20, 6-10.