F. Stollar, F. V. Adde, M. T. Cunha, C. Leone, and J. C. Rodrigues, “ Shwachman-Kulczycki score still useful to monitor cystic fibrosis severity ”, Clinics, vol. 66, no. 6, pp. 979–983, Jan. 2011, doi: 10.1590/S1807-59322011000600010.