@misc{indiciae4df4bf264c59, title = {An urban school-based voluntary MMR booster immunization program.}, author = {P Beilenson and J Santelli}, year = {1992}, doi = {10.1111/j.1746-1561.1992.tb07890.x}, url = {https://pubmed.ncbi.nlm.nih.gov/1564916/}, note = {Source identifier: 1564916} }