Aguiar, Fernando N., Henrique N. Mendes, Cinthya S. Cirqueira, Carlos E. Bacchi, and Filomena M. Carvalho. 2013. “Basal Cytokeratin As a Potential Marker of Low Risk of Invasion in Ductal Carcinoma in Situ”. Clinics 68 (5): 638-43. https://doi.org/10.1590/clin.v68i5.76840.