KATOCH, G.; SHARMA, S.; SHARMA, M.; GUNJIGANVI, A.; SINGHAL, A. Association of infant and maternal serum 25-hydroxy vitamin d levels with severity of pneumonia in infants. International Journal of Contemporary Pediatrics, [S. l.], v. 3, n. 4, p. 1256–1261, 2016. DOI: 10.18203/2349-3291.ijcp20163655. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/184. Acesso em: 25 oct. 2025.