Use of the PaO2/FiO2 ratio in acute pulmonary embolism: a simple and reliable parameter to predict the risk stratification - Li, Yanan; Du, Xueqing; Zhou, Ling; Guan, Jian; Sun, Yidan; Sun, Xianwen; Feng, Yun; Liu, Dong; Ding, Yongjie; Shi, Guochao (Journal of Thoracic Disease; Vol 17, No 7 (July 31, 2025): Journal of Thoracic Disease, 2025)