TY  - RPRT
TI  - Serum prostate-specific antigen concentration before and after vasectomy.
AU  - P M Lassen
AU  - I M Thompson
AU  - B Helfrick
PY  - 1996
UR  - https://pubmed.ncbi.nlm.nih.gov/8700333/
ID  - 8700333
ER  -