Yerramsetty VS, Ravikanti K, Kumar R, Haward R. Utility of M-mode for assessment of grade 3 dyspneic patient. Halo 194 [Internet]. 2024 Apr. 3 [cited 2026 Sep. 20];30(1):7-17. Available from: https://test.aseestant.ceon.rs/index.php/halo/article/view/43167