Measles immunization in Sydney.
D001291:Attitude of Health Personnel; D001294:Attitude to Health; D001315:Australia; D002675:Child, Preschool; D003365:Costs and Cost Analysis; D006801:Humans; D007223:Infant; D008457:Measles / Q000453:epidemiology / Q000517:prevention & control*; D012189:Retrospective Studies; D014611:Vaccination