G. F. Vasile, A. Levin, R. Kleinfelder, D. Rivlin, and B. Glick, “Renal Cell Carcinoma (RCC) Stain Negative Metastatic Clear Cell Renal Cell Carcinoma Masquerading as a Pyogenic Granuloma on the Scalp”, J of Skin, vol. 4, no. 4, pp. 345–348, Jul. 2020.