TY - RPRT TI - Separation of mammalian cells using programmed gradient sedimentation. AU - T G Pretlow AU - C W Boone PY - 1969 DO - 10.1016/0014-4800(69)90003-3 UR - https://pubmed.ncbi.nlm.nih.gov/5344066/ ID - 5344066 ER -