Changes in the supply of childhood vaccines.
D002648:Child; D002675:Child, Preschool; D004338:Drug Combinations; D006801:Humans; D007223:Infant; D008458:Measles Vaccine / Q000600:supply & distribution; D022542:Measles-Mumps-Rubella Vaccine; D009108:Mumps Vaccine / Q000600:supply & distribution; D010567:Pertussis Vaccine / Q000600:supply & distribution; D012411:Rubella Vaccine / Q000600:supply & distribution; D014612:Vaccines / Q000600:supply & distribution*
D004338:Drug Combinations; D008458:Measles Vaccine; D022542:Measles-Mumps-Rubella Vaccine; D009108:Mumps Vaccine; D010567:Pertussis Vaccine; D012411:Rubella Vaccine; D014612:Vaccines