TY  - RPRT
TI  - Sperm or spermatid conception?
AU  - J Tesarik
PY  - 1997
DO  - 10.1016/s0015-0282(97)81503-8
UR  - https://pubmed.ncbi.nlm.nih.gov/9240244/
ID  - 9240244
ER  -