Mahotra, N. B., L. Shrestha, S. Kandel, and S. Chaudhary. “Comparison of Spirometric Parameters in Different Postures Among Young Healthy Volunteers”. Journal of Nepal Health Research Council, Vol. 21, no. 2, Dec. 2023, pp. 309-12, doi:10.33314/jnhrc.v21i02.4740.