Levels of infection, pathology and nodule size of Onchocerca flexuosa (Nematoda: Onchocercidae) in red deer (Cervus elaphus) from northern Spain

1. Hidalgo, M.R.
2. Martínez, A.
3. Carreño, R.A.
4. González, S.
5. Ferreras, M.C.
6. Díez, N.