Ali Rahman, Khairul An’Am, Natila Fazlina Mat Isa, and Fatim Tahirah Mirza. “Ratio for Upper, Middle and Lower Chest Expansion in Healthy Malaysian Adults Aged 20 to 40 Years”. Healthscope: The Official Research Book of Faculty of Health Sciences, UiTM 3, no. 1 (March 30, 2020): 7-11. Accessed July 23, 2026. https://healthscopefsk.com/index.php/research/article/view/145.