TY - RPRT TI - Testicular biopsy in the study of male infertility: its current usefulness, histologic techniques, and prospects for the future. AU - H S Levin PY - 1979 DO - 10.1016/s0046-8177(79)80100-8 UR - https://pubmed.ncbi.nlm.nih.gov/43278/ ID - 43278 ER -