@misc{indiciaefa49d371c90e, title = {Zonal separations by density-gradient centrifugation.}, author = {M K BRAKKE}, year = {1953}, doi = {10.1016/s0003-9861(53)80005-6}, url = {https://pubmed.ncbi.nlm.nih.gov/13081137/}, note = {Source identifier: 13081137} }