Awareness, utilization and cost of newer childhood vaccines in a lower middle and middle class urban population of Vellore Town, South India. Immunization Survey Group.
Immunization Survey Group
D002675:Child, Preschool; D003430:Cross-Sectional Studies; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D007114:Immunization / Q000191:economics / Q000706:statistics & numerical data*; D007194:India; D007223:Infant