TY - RPRT TI - Semen analysis after vasectomy: when and how many? AU - C Badrakumar AU - N K Gogoi AU - S K Sundaram PY - 2000 DO - 10.1046/j.1464-410x.2000.00781.x UR - https://pubmed.ncbi.nlm.nih.gov/10971276/ ID - 10971276 ER -