Cebotaru, C., E. Olteanu, N. Antone, R. Buiga, and V. Nagy. “Circulating Tumor Cells in Germ Cell Tumors: Are Those Biomarkers of Real Prognostic Value? A Review”. Medicine and Pharmacy Reports, Vol. 89, no. 2, Apr. 2016, pp. 203-11, doi:10.15386/cjmed-570.