Cilla, G Seroprevalence of Toxocara infection in middle-class and disadvantaged children in northern Spain (Gipuzkoa, Basque Country). [electronic resource] - European journal of epidemiology Oct 1996 - 541-3 p. digital Publication Type: Journal Article ISSN: 0393-2990 Standard No.: 10.1007/BF00144010 doi Subjects--Topical Terms: AdolescentAnimalsAntibodies, Helminth--bloodChi-Square DistributionChildChild, PreschoolEnzyme-Linked Immunosorbent AssayFemaleHumansImmunoglobulin G--immunologyMalePrevalenceSocioeconomic FactorsSpain--epidemiologyToxocara canis--immunologyToxocariasis--epidemiologyZoonoses