TY  - RPRT
TI  - CONCENTRATING EJACULATED SPERM FOR ELECTRON MICROSCOPY.
AU  - A BIRCH-ANDERSEN
AU  - E BLOM
PY  - 1963
DO  - 10.1038/199201a0
UR  - https://pubmed.ncbi.nlm.nih.gov/14043214/
ID  - 14043214
ER  -