“PHOSPHODIESTERASE 5 INHIBITORS EFFECTS ON ADAPTATION TO HIGH ALTITUDE, HAPE PREVENTION AND TREATMENT: A LITERATURE REVIEW”. International Journal of Innovative Technologies in Social Science 5, no. 4(48) (December 29, 2025). Accessed March 17, 2026. https://rspublisher.org/index.php/ijitss/article/view/4301.