“Comparison of Cerb B2 Expression and Ki-67 Index With Modified Scarff-Bloom-Richardson Grading System in Invasive Ductal Carcinoma ”. Annals of Medical Research 27, no. 7 (May 25, 2021): 1934–1940. Accessed April 3, 2025. http://annalsmedres.org/index.php/aomr/article/view/861.