China's expanded program on immunization.
Wang
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Department of Epidemic Prevention, Ministry of Public Health, P. R. China, Beijing.
Yang
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BP
D001500:BCG Vaccine; D002675:Child, Preschool; D002681:China; D015721:Diphtheria-Tetanus-Pertussis Vaccine; D006801:Humans; D007114:Immunization / Q000639:trends*; D007115:Immunization Schedule; D007223:Infant; D008458:Measles Vaccine; D011055:Poliovirus Vaccine, Oral
D001500:BCG Vaccine; D015721:Diphtheria-Tetanus-Pertussis Vaccine; D008458:Measles Vaccine; D011055:Poliovirus Vaccine, Oral