Reza Azriyantha, M., Lukman, K., Setya Sulthana, B. A. A., Rudiman, R., Suryawathy Hernowo, B., Sribudiani, Y., Nugraha, P., Irawan, E. and Budiman, D. (2014) “Association between tumour-infiltrating lymphocyte-T CD8+ and programmed death-ligand 1 protein with the occurrence of metastasis in colorectal cancer patients: An observational study”, Trends in Immunotherapy, 8(2). doi: 10.24294/ti.v8.i2.6221.