New approaches to vaccination.
Flexner
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Department of Medicine, and Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205.
D000486:Allergy and Immunology / Q000639:trends; D000818:Animals; D006801:Humans; D007114:Immunization / Q000639:trends*; D014611:Vaccination / Q000639:trends*; D014612:Vaccines
D014612:Vaccines