TY  - RPRT
TI  - Sperm-counts after vasectomy.
AU  - I Craft
AU  - P Diggory
PY  - 1973
DO  - 10.1016/s0140-6736(73)92223-x
UR  - https://pubmed.ncbi.nlm.nih.gov/4121863/
ID  - 4121863
ER  -