Jonard, PP., Rambaud, JC., Vaerman, JP., Galian, A., & Delacroix, D. L. (1984). Secretion of Immunoglobulins and Plasma-proteins From the Jejunal Mucosa - Transport Rate and Origin of Polymeric Immunoglobulin-a. Journal of Clinical Investigation, 74(2), 525-535. https://doi.org/10.1172/JCI111450 (Original work published 1984)