M.MANIKUMAR; P.SANKARA KUMARAN; T.S.MUTHU KUMAR; A.N.SUNDARESAN; G.DEEPTHI. Impact of pursed lip breathing in improving exercisenduranceIn non-spontaneous pursed lip breathing chronic obstructive pulmonary disease patients. International Journal of Pharma and Bio Sciences, [S. l.], v. 8, n. 3, p. 273–279, 2017. DOI: 10.22376/ijpbs.2017.8.3.p273-279. Disponível em: https://ijpbs.net/index.php/journal/article/view/5993. Acesso em: 23 jul. 2026.