TY  - RPRT
TI  - Semen manipulation: improved sperm recovery and function with a two-layer Percoll gradient.
AU  - R D McClure
AU  - L Nunes
AU  - R Tom
PY  - 1989
DO  - 10.1016/s0015-0282(16)60683-0
UR  - https://pubmed.ncbi.nlm.nih.gov/2651167/
ID  - 2651167
ER  -