Tran, Q.S. et al. 2026. RESEARCH ON CHARACTERISTICS AND DIFFERENCES BETWEEN COGNITIVE FUNCTION GROUPS IN THE ELDERLY: A SECONDARY ANALYSIS OF KOREAN BIG DATA. Cantho Journal of Medicine and Pharmacy. 96 (Mar. 2026), 152–158. DOI:https://doi.org/10.58490/ctjump.2026i96.4496.