Syah FZN, Fidyasari A. Differences in Length of Hospital Stay for COVID-19 Patients Given Combination Supplementation of Vitamins C, D, and Zinc: A Clinical Nutrition Perspective: Perbedaan Lama Waktu Rawat Inap Pasien Covid 19 yang Diberi Suplementasi Kombinasi Vitamin C, D, dan Zink: Tinjauan Aspek Gizi Klinis . jtfat [Internet]. 2025 Jul. 31 [cited 2025 Sep. 18];6(02):72-7. Available from: https://jtfat.umsida.ac.id/index.php/jtfat/article/view/1656