Comparison of incentive spirometry and peak expiratory flow meter to evaluate cardio-respiratory parameters after valvular surgery. Medical Journal of South Punjab, [S. l.], v. 5, n. 02, p. 1–7, 2024. DOI: 10.61581/MJSP.VOL05/02/01. Disponível em: https://www.medteach.org/index.php/mjsp/article/view/192. Acesso em: 27 apr. 2025.