Cahyawati, Wiwit Agung Sri Nur, Alfi Yasmina, I Nyoman Suarjana, Mohammad Rudiansyah, and Julius Henry. 2024. “Correlation Between Vitamin D Levels and Charlson Comorbidity Index With Sarcopenia in Geriatric Patients”. South Eastern European Journal of Public Health, November, 901-7. https://doi.org/10.70135/seejph.vi.2190.