Sousa, Nayara Francisca Cabral de, et al. “Prevalence of Nasal Septum Injury in Premature Infants Using Nasal Prongs”. Revista Da Escola De Enfermagem Da USP, vol. 47, no. 6, Dec. 2013, pp. 1285-90, https://doi.org/10.1590/reeusp.v47i6.78090.