TY  - RPRT
TI  - A device for separating fractions after gradient density centrifuging.
AU  - J W PHELPSTEAD
AU  - D B ROODYN
PY  - 1957
DO  - 10.1016/0014-4827(57)90187-8
UR  - https://pubmed.ncbi.nlm.nih.gov/13437998/
ID  - 13437998
ER  -