Hermanto, H., Muhartomo, H., Husni, A., Widiastuty, M. I., Suryawati, H., & Wati, A. P. (2023). The Relationship Between Serum Folic Acid Levels With The Cognitive Function of The Elderly. Medica Hospitalia : Journal of Clinical Medicine, 10(2), 198–202. https://doi.org/10.36408/mhjcm.v10i2.891