Mukherjee R, Sahu S, Sen D, Mukhopadhyay A. Pulmonary ventilation ratios in normal and overweight/obese children carrying variously loaded backpacks. Ind. J. Physiol. Allied Sci. [Internet]. 2025 Jun. 20 [cited 2025 Jul. 6];77(02). Available from: https://ijpas.org/index.php/ijpas/article/view/301