@misc{indiciaef79a537006eb, title = {Mucosal immunity: implications for vaccine development.}, author = {J Holmgren and C Czerkinsky and N Lycke and A M Svennerholm}, year = {1992}, doi = {10.1016/s0171-2985(11)80473-0}, url = {https://pubmed.ncbi.nlm.nih.gov/1587541/}, note = {Source identifier: 1587541} }