title: Testicular biopsy prior to termination of leukemic therapy.
mesh_terms: D001706:Biopsy; D006801:Humans; D007223:Infant; D007945:Leukemia, Lymphoid / Q000188:drug therapy / Q000473:pathology*; D008297:Male; D013736:Testicular Neoplasms / Q000188:drug therapy / Q000473:pathology*; D013737:Testis / Q000473:pathology*