Pretell Cabrera, Miguel Angel, and Jonh Astete Cornejo. “Spirometric Reference Equation in Men from 2 Regions of Northern Peru Located Between 0 and 100 Meters above the Sea Level: Cross-Sectional Study”. ACTA MEDICA PERUANA 40, no. 3 (December 2, 2023). Accessed November 27, 2024. http://54.39.98.165/index.php/AMP/article/view/2695.