@misc{indiciae8a477ec5b8b8, title = {Measles immunisation.}, author = {P E Klapper and G M Cleator and M C Clarke and R J Postlethwaite}, year = {1991}, doi = {10.1136/adc.66.3.369-b}, url = {https://pubmed.ncbi.nlm.nih.gov/2025021/}, note = {Source identifier: 2025021} }