1. Titration of antibodies to Salmonella O-antigens by enzyme-linked immuno-sorbent assay;Carlsson;Infect. Immunity,1972
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3. Enzyme-linked immunosorbent assay (ELISA);Engvall;Quantitative assay of immunoglobulin G. Immunochemistry,1971
4. Enzyme-linked immunosorbent assay III. Quantitation of specific antibodies by enzyme-labelled antiimmunoglobulin in antigen coated tubes;Engvall;J. Immunol.,1972
5. Detection of human antibodies to Trichinella spiralis by enzyme-linked immunosorbent assay, ELISA;Engvall;Acta path. microbiol. scand. Sect. C,1975