@misc{indiciaed5ac39385773, title = {Density gradient in a dextran medium.}, author = {O Mach and L Lacko}, year = {1968}, doi = {10.1016/0003-2697(68)90281-9}, url = {https://pubmed.ncbi.nlm.nih.gov/5672487/}, note = {Source identifier: 5672487} }