Moraes FY, Bonifacio LA, Marta GN, Hanna SA, Atallah Álvaro N, Moraes VY, Silva JLF, Carvalho HA. Hierarchy of evidence referring to the central nervous system in a high-impact radiation oncology journal: a 10-year assessment. Descriptive critical appraisal study. Sao Paulo Med J [Internet]. 2015 Jul. 7 [cited 2025 Mar. 10];133(4):307-13. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/1444