Immunomagnetic SeparationNeoplastic Cells, CirculatingMagneticsBiological MarkersCell SeparationFlow CytometryAntigens, SurfaceGenetic MarkersAntigens, CDCryptosporidium parvumAntigens, CD34Cell MembraneAntibodies, MonoclonalCells, CulturedCell DifferentiationEscherichia coli O157Sensitivity and SpecificityPolymerase Chain ReactionTumor Markers, BiologicalLeukapheresisOocystsImmunophenotypingImmunologic TechniquesMicrospheresReceptors, Cell SurfaceHematopoietic Stem CellsT-LymphocytesCell LineBone Marrow CellsFluorescent Antibody TechniqueChymopapainAntigens, NeoplasmFecesMolecular Sequence DataBone Marrow PurgingAntigens, CD45Bone Marrow NeoplasmsStem CellsReverse Transcriptase Polymerase Chain ReactionCell Adhesion MoleculesFood MicrobiologyMembrane ProteinsImmunohistochemistryPhenotypeNeoplasm MicrometastasisKeratin-8Receptors, Antigen, B-CellEvaluation Studies as TopicCryptosporidiumMagnetite NanoparticlesBlood Component RemovalMembrane GlycoproteinsPolyvinylsB-LymphocytesMice, Inbred BALB CKeratin-7Bacteriological TechniquesCattleTime FactorsRosette FormationRNA, MessengerLymphocytesCell Line, TumorBase SequenceHepatitis A virusMicropore FiltersTumor Cells, CulturedAntibodiesParasitologyMice, Inbred C57BLLymphocyte DepletionMicroscopy, FluorescenceFresh WaterLymphocyte ActivationBone MarrowKeratinsLeukemia, LymphoidCell CountAntigens, CD19GlycoproteinsFetal BloodLeukocytes, MononuclearCD4-Positive T-LymphocytesAmino Acid SequenceShiga Toxin 1Colony-Forming Units AssayCell DivisionPolystyrenesAntigens, CD24Hematopoietic Stem Cell TransplantationGiardiaNeoplastic Stem CellsHLA-DR AntigensMilkAntigens, CD44Immune Adherence ReactionEnzyme-Linked Immunosorbent AssayCell AdhesionColony Count, MicrobialT-Lymphocyte Subsets