| serological, clinical and epidemiological evaluation of toxocariasis in urban areas of south brazil. | toxocariasis is a worldwide public-health problem that poses major risks to children who may accidentally ingest embryonated eggs of toxocara. the objectives of this study were to investigate the occurrence of anti-toxocara spp. antibodies in children and adolescents and the variables that may be involved, as well as environmental contamination by toxocara spp. eggs, in urban recreation areas of north central mesoregion, paraná state, brazil. from june 2005 to march 2007. a total of 376 blood sa ... | 2010 | 20464126 |