TY  - RPRT
TI  - Paternity after bilateral vasectomy.
AU  - A P Verhulst
AU  - J W Hoekstra
PY  - 1999
DO  - 10.1046/j.1464-410x.1999.00940.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10233494/
ID  - 10233494
ER  -