TY - BOOK AU - Chan,Boon Kian TI - Factors associated with elderly patients >65 years revisit within 30 days during COVID-19 pandemic in Emergency Department: case control PY - 2023/// CY - Kuala Lumpur PB - Faculty of Medicine, Universiti Kebangsaan Malaysia KW - Geriatrics KW - methods KW - Emergency Service, Hospital KW - Emergency Room Visits KW - INDAMET ER -