Llanos-Salcedo, Catherine, Katia Muñoz-Farfán, and Jorge L. Maguiña. “Reference Values of Spirometry Parameters in Healthy Workers at Different Altitude Levels in Peru”. ACTA MEDICA PERUANA 37, no. 4 (December 30, 2020). Accessed November 22, 2024. https://amp.cmp.org.pe/index.php/AMP/article/view/1061.