Implementation of the ABCDEF Bundle for Critically Ill ICU Patients During the COVID-19 Pandemic: A Multi-National 1-Day Point Prevalence StudyKeibun Liu, Osamu Nishida, Sapna R. Kudchadkar et al.|Frontiers in Medicine|2021Cited by 66
World delirium awareness and quality survey in 2023—a worldwide point prevalence studyHeidi Lindroth, Keibun Liu, Laura A. Szalacha et al.|Age and Ageing|2024Cited by 31
A world-wide study on delirium assessments and presence of protocolsPeter Nydahl, Shannon A. Cotton, Keibun Liu et al.|Age and Ageing|2024Cited by 25