| Literature DB >> 4698971 |
Abstract
Keywords: Americas; Biology; Child Health; Delivery Of Health Care; Developed Countries; Developing Countries; Health; Health Services; Immunity; Immunization; Medicine; North America; Northern America; Physiology; Preventive Medicine; Primary Health Care; United States; Vaccination
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Year: 1973 PMID: 4698971 DOI: 10.1016/s0022-3476(73)80107-6
Source DB: PubMed Journal: J Pediatr ISSN: 0022-3476 Impact factor: 4.406