ToxocariasisCysticercosisToxocaraToxocara canisLarva Migrans, VisceralAntibodies, HelminthEye Infections, ParasiticTaenia soliumCentral Nervous System HelminthiasisCysticercusTaeniasisLarva MigransAntigens, HelminthTaeniaAscariasisNeurocysticercosisSeroepidemiologic StudiesAnthelminticsAlbendazoleEnzyme-Linked Immunosorbent AssayThiabendazoleEosinophiliaPicaChild, AbandonedFood ParasitologyAscaris lumbricoidesChoroid HemorrhageZoonosesDogsHelminth ProteinsSwine DiseasesAnticestodal AgentsArgentina