SUJEET RAJAN; SUNDEEP SALVI; 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 Journal of Pharmaceutical Sciences, [S. l.], v. 3, n. 7, p. 1387–1396, 2015. Disponível em: https://wjpsonline.com/index.php/wjps/article/view/spacers-patients-asthma-copd-prospective-studies. Acesso em: 4 jul. 2024.