title: [Perinatal prevalence of HBsHg: preliminary results of a pilot study].
abstract: Hepatitis B surface antigen was determined by EIA in the serum of 284 women at the end of their pregnancy. They belonged to the lower socio-economical status of the cities of Caracas and Valencia in Venezuela. In Caracas (Petare) all were negative, in Valencia, 5 of 150 (3.3%) resulted positive.
authors.affiliation: Hospital Materno Infantil Joel Valencia Parparcén, Caracas.
authors.forename: L
authors.initials: L
authors.lastname: Agüero
authors.forename: C A
authors.initials: CA
authors.lastname: Salvatierra
authors.forename: G
authors.initials: G
authors.lastname: Perozo-Ruggeri
authors.forename: C
authors.initials: C
authors.lastname: Colmenares
authors.forename: H
authors.initials: H
authors.lastname: Römer
mesh_terms: D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007231:Infant, Newborn; D010865:Pilot Projects; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology*; D015995:Prevalence; D011446:Prospective Studies; D011897:Random Allocation
chemical_list: D006514:Hepatitis B Surface Antigens
vernacular_title: Prevalencia perinatal del AgsHB: resultados preliminares de un estudio piloto.