Maqsood, U., Ho, T. N., Palmer, K., Eccles, F. J., Munavvar, M., Wang, R., . . . Evans, D. J. (2019). Once daily long‐acting beta2‐agonists and long‐acting muscarinic antagonists in a combined inhaler versus placebo for chronic obstructive pulmonary disease. Cochrane Database Syst Rev.

Maqsood, Usman, Terence N. Ho, Karen Palmer, Fiona JR Eccles, Mohammed Munavvar, Ran Wang, Iain Crossingham, and David JW Evans. "Once Daily Long‐acting Beta2‐agonists and Long‐acting Muscarinic Antagonists in a Combined Inhaler Versus Placebo for Chronic Obstructive Pulmonary Disease." Cochrane Database Syst Rev 2019.

Maqsood, Usman, et al. "Once Daily Long‐acting Beta2‐agonists and Long‐acting Muscarinic Antagonists in a Combined Inhaler Versus Placebo for Chronic Obstructive Pulmonary Disease." Cochrane Database Syst Rev 2019.