Shunsuke Yawata, Shigehiko Uchino, Seiichi Yamashima, Seiya Nishiyama, Shohei Ono, Yusuke Sasabuchi, Shinshu Katayama. "Association between ICU-level variation in arterial blood gas utilization and in-hospital mortality: A retrospective cohort study using the Japanese Intensive care PAtient Database registry." PLoS ONE (2026). https://doi.org/10.1371/journal.pone.0343186