Expanded programme on immunization. Cold chain evaluation.
D006801:Humans; D006814:Hungary; D011177:Postal Service / Q000592:standards; D011320:Primary Health Care / Q000458:organization & administration / Q000592:standards; D015397:Program Evaluation; D012034:Refrigeration / Q000592:standards*; D014612:Vaccines / Q000592:standards*; D000078329:Workforce
D014612:Vaccines