@misc{indiciaee2956e5fe235, title = {Plant-based vaccines.}, author = {Stephen J Streatfield and John A Howard}, year = {2003}, doi = {10.1016/s0020-7519(03)00052-3}, url = {https://pubmed.ncbi.nlm.nih.gov/12782049/}, note = {Source identifier: 12782049} }