Kant, S.; Ahmad, J.; Siddiqui, M. J.; Singh, A.; Verma, A. K.; Bhatia, A. A Comparative Study to Evaluate the Role of Inhaled Steroid Versus Low-Dose Oral Steroid in Patients of Chronic Obstructive Pulmonary Disease. Int J Basic Clin Pharmacol 2017, 4, 240-244.