Jacob John, T2007-01-032009-05-272007-01-032009-05-272007-01-03Jacob John T. Quo vadis, expanded programme on immunization? Indian Journal of Medical Research. 2007 Jan; 125(1): 13-6http://imsear.searo.who.int/handle/123456789/17728engHumansImmunization Programs --methodsIndiaNational Health ProgramsPrimary Health CareComment