title: Studies on human secretory IgA comparative studies of the IgA-bound secretory piece and the free secretory piece protein.
mesh_terms: D000042:Absorption; D000368:Aged; D000478:Alkylation; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D000941:Antigens; D002241:Carbohydrates / Q000032:analysis; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D003126:Colostrum / Q000276:immunology*; D004058:Diffusion; D004589:Electrophoresis, Disc; D005260:Female; D006023:Glycoproteins / Q000032:analysis*; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007070:Immunoglobulin A / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis*; D008970:Molecular Weight; D009584:Nitrogen / Q000032:analysis; D010084:Oxidation-Reduction; D011817:Rabbits; D013053:Spectrophotometry; D013455:Sulfur / Q000032:analysis; D014461:Ultracentrifugation
chemical_list: D000596:Amino Acids; D000941:Antigens; D002241:Carbohydrates; D006023:Glycoproteins; D007070:Immunoglobulin A; D007136:Immunoglobulins; D013455:Sulfur; D009584:Nitrogen