authors Chan Mi Park, MD, MPH Kim, Wonsock Rhim, Hye Chang Lee, Eun Sik Kim, Jong Hun Cho, Kyung Hwan Dae Hyun Kim, MD, MPH, ScD
has subject area Aged Cohort Studies Female Frail Elderly Frailty Geriatric Assessment Hospitalization Humans Pneumonia Prospective Studies Republic of Korea Retrospective Studies