D. ANANDHI; ASWATHY.S; KEERTHIGA.L; V.P.R.SIVAKUMAR. Effects of posture on respiratory functions in smart phone users: an observational study. International Journal of Pharma and Bio Sciences, [S. l.], v. 8, n. 4, p. 471–477, 2017. DOI: 10.22376/ijpbs.2017.8.4.b471-477. Disponível em: https://ijpbs.net/index.php/journal/article/view/6284. Acesso em: 23 jul. 2026.