@misc{indiciaed22c6b87920e, title = {The mucosal immune system.}, author = {Thomas T MacDonald}, year = {2003}, doi = {10.1046/j.1365-3024.2003.00632.x}, url = {https://pubmed.ncbi.nlm.nih.gov/12969442/}, note = {Source identifier: 12969442} }