Title:Biodiversity and ecology of hirudinea (Annelida) from the natural reserve of isla Martín García, Río de la Plata, Argentina / A biodiversidade e a ecologia de hirudinea (Annelida) da reserva natural da ilha Martín García, na Argentina
Title:Socio-environmental conditions, intestinal parasitic infections and nutritional status in children from a suburban neighborhood of La Plata, Argentina