title: Human secretory component--IV. Aggregation and fragmentation of free secretory component.
mesh_terms: D002499:Centrifugation, Density Gradient; D005591:Chemical Fractionation; D002850:Chromatography, Gel; D003126:Colostrum / Q000032:analysis; D000939:Epitopes; D005260:Female; D006801:Humans; D007120:Immunochemistry; D005779:Immunodiffusion; D007070:Immunoglobulin A; D007128:Immunoglobulin Fragments; D007075:Immunoglobulin M; D046911:Macromolecular Substances; D008970:Molecular Weight; D012635:Secretory Component
chemical_list: D000939:Epitopes; D007070:Immunoglobulin A; D007128:Immunoglobulin Fragments; D007075:Immunoglobulin M; D046911:Macromolecular Substances; D012635:Secretory Component