Ko, K., Y. H. Park, C. W. Jeong, J. H. Ku, H. H. Kim, and C. Kwak. “Prognostic Significance of Blood Type A in Patients With Renal Cell Carcinoma”. Urology Journal, vol. 13, no. 4, Aug. 2016, pp. 2765-72, doi:10.22037/uj.v13i4.3354.