title: Field-flow fractionation: choices in programmed and nonprogrammed operation.
mesh_terms: D005591:Chemical Fractionation / Q000379:methods*; D002623:Chemistry Techniques, Analytical / Q000379:methods*; D008861:Microsomes / Q000032:analysis; D010316:Particle Size; D012984:Software; D015003:Yeasts / Q000032:analysis