Repeated intermittent hypoxic stimuli to operative lung reduce hypoxemia during subsequent one-lung ventilation for thoracoscopic surgery: A randomized controlled trial. - Yoon, Susie; Kim, Bo Rim; Min, Se-Hee; Lee, Jaehun; Bahk, Jae-Hyon; Seo, Jeong-Hwa (PLoS ONE, 2021)