Sima, N. H., P. K. Saidha, O. D’Souza, and S. S. Patil. “A Rare Case of Neonatal Bacterial Sinusitis”. International Journal of Contemporary Pediatrics, vol. 3, no. 4, Dec. 2016, pp. 1477-9, doi:10.18203/2349-3291.ijcp20163706.