Syah FZN, Fidyasari A. The Effect of Combined Vitamin C, D, and Zinc Supplementation on the Length of Hospital Stay in COVID-19 Patients: A Clinical Nutrition Perspective: Pengaruh Kombinasi Vitamin C, D dan Zinc Terhadap Lama Rawat Inap Pasien COVID-19: Tinjauan dari Aspek Gizi Klinis . jtfat [Internet]. 2025 Jul. 31 [cited 2025 Aug. 2];6(02):72-7. Available from: https://jtfat.umsida.ac.id/index.php/jtfat/article/view/1656