Gaur, P.; Saini, S.; Ray, K.; Akunov, A.; Maripov, A.; Sharma, S. K.; Sarybaev, A.; Kumar, B.; Vats, P. Influence of Altitude on Pulmonary Function: A Comparative Study on Indian and Kyrgyz Healthy Males. Def. Life. Sc. Jl. 2020, 5, 3-9.