TY - GEN AU - Schmidt,S S TI - Epididymal sperm aspiration SN - 0007-1331 PY - 1997///0516 KW - Epididymis KW - Humans KW - Infertility, Male KW - Male KW - Spermatozoa KW - Suction KW - Vasovasostomy N1 - Publication Type: Comment; Letter ER -