Title:Prolonged fecal shedding of Shiga toxin-producing Escherichia coli among children attending day-care centers in Argentina / Excreción prolongada de Escherichia coli productor de toxina Shiga en niños que concurren a jardines maternales de Argentina
Title:First record of Helobdella hyalina (Hirudinea; Glossiphoniidae) in the mantle cavity of Planorbidae from lentic environments in a Buenos Aires province, Argentina
Title:New host, geographical records, and some ecological aspect of Absonifibula bychowskyi lawler et overstreet, 1976 (Monogenea: Diclidophoridae) from estuarine areas of Argentina