1.
VISHNU VARDHAN, TUSHAR PALEKAR, RANE VIVEK SUDHAKAR. Reliability and validity of real time chest expansion (RTCEX) device to measure chest expansion with visual feedback. ijpbs [Internet]. 2017 Sep. 30 [cited 2026 Sep. 4];8(3):989-94. Available from: https://ijpbs.net/index.php/journal/article/view/6159