Delacroix, D. L., & Vaerman, JP. (1982). Influence of Molecular-size of Iga On its Immunoassay By Various Techniques .3. Immunonephelometry. Journal of Immunological Methods, 51(1), 49-55. https://doi.org/10.1016/0022-1759(82)90381-7 (Original work published 1982)