TY  - RPRT
TI  - Noninvasive methods to obtain sperm.
AU  - A M Belker
PY  - 1997
DO  - 10.1016/s0015-0282(97)90048-0
UR  - https://pubmed.ncbi.nlm.nih.gov/9176469/
ID  - 9176469
ER  -