[1]
Sujeet Rajan, Sundeep Salvi, and Jaideep Gogtay, “Confidence, ease of use, satisfaction and preference of spacers in patients with asthma and COPD: Results from three open-label, prospective studies”, World J Pharm Sci, vol. 3, no. 7, pp. 1387–1396, Jul. 2015.