VITAMIN B12 BOLALARDA VA KATTALARDA YETISHMOVCHILIGI SABABLARI, KLINIKASI, ASORATLARI VA DAVOLASH TAKTIKASI. JUSR. 2024;2(4):343-350. Accessed March 29, 2025. https://universalpublishings.com/index.php/jusr/article/view/5435