R Blomfield. Show Affiliations »
Abstract
Mesh: See more » AdolescentAsthma/epidemiologyChildHumansImmunization/adverse effectsRural HealthUrban HealthVaccination/adverse effects
Year: 1998 PMID: 9665913 PMCID: PMC1113548 DOI: 10.1136/bmj.317.7152.205
Source DB: PubMed Journal: BMJ ISSN: 0959-8138