TY - RPRT TI - Decrease in testosterone blood concentrations after testicular sperm extraction for intracytoplasmic sperm injection in azoospermic men. AU - M Manning AU - K P Jünemann AU - P Alken PY - 1998 DO - 10.1016/s0140-6736(05)79518-0 UR - https://pubmed.ncbi.nlm.nih.gov/9800753/ ID - 9800753 ER -