Combined and simultaneously administered vaccines. A brief history.
Parkman
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PD
Parkman Associates, Kensington, Maryland 20895, USA.
D003140:Communicable Disease Control / Q000379:methods*; D049673:History, 20th Century; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D007231:Infant, Newborn; D014481:United States; D014612:Vaccines / Q000008:administration & dosage* / Q000266:history* / Q000276:immunology / Q000592:standards; D017778:Vaccines, Combined / Q000266:history* / Q000276:immunology / Q000592:standards
D014612:Vaccines; D017778:Vaccines, Combined