ToxocariasisToxocaraToxocara canisLarva Migrans, VisceralAntibodies, HelminthEye Infections, ParasiticCentral Nervous System HelminthiasisLarva MigransAscariasisAntigens, HelminthSeroepidemiologic StudiesThiabendazoleEosinophiliaPicaChild, AbandonedFood ParasitologyEnzyme-Linked Immunosorbent AssayAnthelminticsAlbendazoleAscaris lumbricoidesChoroid HemorrhageDogsDog DiseasesCommunicable Diseases, EmergingImmunoglobulin GArgentina