Hassan, I., Tarcisia, T., Agnestina, A., Cornain, S. and Nasar, I.M. 2013. Ki-67 marker useful for classification of malignant invasive ductal breast cancer. Universa Medicina. 32, 3 (Dec. 2013), 179–186. DOI:https://doi.org/10.18051/UnivMed.2013.v32.179-186.