Three new species of Monogenea (Platyhelminthes) parasites of fish in the Guandu river, southeastern Brazil - doi: 10.4025/actascibiolsci.v34i4.10466. Acta Sci. Biol. Sci. 2012;34(4):483-490. doi:10.4025/actascibiolsci.v34i4.10466