Efthimiou, I., C. Mamoulakis, G. Papageorgiou, S. Kazoulis, D. Prevedorou, G. Kontogiorgos, and I. Christoulakis. “Unilateral Malignant Leydig Cell Tumor of Testis in a Patient With Contralateral Cryptorchidism”. Urology Journal, vol. 6, no. 1, Feb. 2009, pp. 60-62, doi:10.22037/uj.v6i1.92.