BORISOVA, E.; IVANKOVSKA, Sn.; PAVLOV, Pl.; TONCHEV, P.; GLOGOVSKA, P. Vitamin D in COPD with CKD. Medical Review, Sofia, BG, v. 62, n. 5, 2026. Disponível em: https://journals.mu-sofia.bg/index.php/mr/article/view/1137.. Acesso em: 14 sep. 2026.