title: Centrifugal systems in blood fractionation. Problems and prospects.
mesh_terms: D001331:Automation; D001769:Blood / Q000382:microbiology; D001798:Blood Proteins / Q000302:isolation & purification*; D002498:Centrifugation; D002499:Centrifugation, Density Gradient; D003201:Computers; D006511:Hepatitis B Antigens / Q000302:isolation & purification
chemical_list: D001798:Blood Proteins; D006511:Hepatitis B Antigens