title: Age at presentation for infant immunization in Nigeria: implications for hepatitis B immunization.
authors.affiliation: Institute of Child Health, University of Benin, Benin City, Nigeria. ayebosadoh@yahoo.com
authors.forename: A E
authors.initials: AE
authors.lastname: Sadoh
authors.forename: C O
authors.initials: CO
authors.lastname: Eregie
mesh_terms: D000367:Age Factors; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control* / Q000635:transmission; D017325:Hepatitis B Vaccines; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D017589:Immunization Programs / Q000706:statistics & numerical data; D007223:Infant; D007229:Infant Welfare; D007231:Infant, Newborn; D008297:Male; D032541:Mass Vaccination / Q000706:statistics & numerical data*; D009549:Nigeria / Q000453:epidemiology
chemical_list: D017325:Hepatitis B Vaccines