TY  - RPRT
TI  - Zonal separations by density-gradient centrifugation.
AU  - M K BRAKKE
PY  - 1953
DO  - 10.1016/s0003-9861(53)80005-6
UR  - https://pubmed.ncbi.nlm.nih.gov/13081137/
ID  - 13081137
ER  -