Parengkuan, Irene Lingkan, et al. “Correlation Between IFNγ+ and CTLA-4+ Tumor Infiltrating Lymphocytes In Luminal And Non-Luminal Breast Carcinoma”. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, vol. 3, no. 2, July 2019, pp. 169-80, doi:10.30651/jqm.v3i2.2778.