Shehzad, K., S. Alam, M. Shams, S. Riaz, H. Khan, and R. Khan. “Frequency and Pathologic Features of Triple Negative Breast Cancer at A Tertiary Care Hospital in Pakistan”. Annals of Punjab Medical College (APMC), Vol. 15, no. 2, June 2021, pp. 136-8, doi:10.29054/apmc/2021.1160.