MUSTAFA, N. A.; ELHAG, O. E. Y.; ABUKANNA, A. M.; SULAIMAN, A. H.; IBNIDRIS, H. O. The relationship between vitamin D level and severity and control of bronchial asthma among adult Sudanese patients. International Journal of Research in Medical Sciences, [S. l.], v. 6, n. 5, p. 1649–1654, 2018. DOI: 10.18203/2320-6012.ijrms20181753. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/4784. Acesso em: 12 oct. 2025.