@misc{indiciae4e982c150a74, title = {Age-related decrease in frequencies of B-cell precursors and specific helper T cells involved in the IgG anti-tetanus toxoid antibody production in humans.}, author = {S Kishimoto and S Tomino and H Mitsuya and H Nishimura}, year = {1982}, doi = {10.1016/0090-1229(82)90159-3}, url = {https://pubmed.ncbi.nlm.nih.gov/6217937/}, note = {Source identifier: 6217937} }