TY  - RPRT
TI  - Spermatozoa--their persistence after sexual intercourse.
AU  - G M Willott
AU  - J E Allard
DO  - 10.1016/0379-0738(82)90040-8
UR  - https://pubmed.ncbi.nlm.nih.gov/7040183/
ID  - 7040183
ER  -