Balraj, VJohn, T J1991-09-012009-05-301991-09-012009-05-301991-09-01Balraj V, John TJ. Age as perceived by health workers and its importance in immunization programmes. Indian Journal of Pediatrics. 1991 Sep-Oct; 58(5): 725http://imsear.searo.who.int/handle/123456789/82833engAge FactorsHealth PersonnelHumansImmunization ScheduleInfantMeasles VaccinePerceptionAge as perceived by health workers and its importance in immunization programmes.Letter