@misc{indiciae07a30e29edfd, title = {Measles immunization in Sydney.}, author = {P J Christopher}, year = {1972}, doi = {10.5694/j.1326-5377.1972.tb47384.x}, url = {https://pubmed.ncbi.nlm.nih.gov/5086299/}, note = {Source identifier: 5086299} }