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3. Human secretory immunoglobulins 3. Immunochemical and physico-chemical studies of secretory IgA and free secretory piece;Brandtzaeg;Acta path. microbiol. scand. Sect. B,1971
4. Human secretory immunoglobulins. VI. Association of free secretory piece with serum IgA in vitro;Brandtzaeg;Immunol.,1971
5. Characteristics of SC-Ig Complexes Formed in Vitro