ViasP., PandeyA., DimriK., and BhagatR. “Metaplastic Carcinoma With Foci of Chondrosarcoma in Breast: A Rare Case”. Asian Pacific Journal of Cancer Care, Vol. 4, no. 4, Aug. 2019, pp. 131-3, doi:10.31557/apjcc.2019.4.4.131-133.