| Article Title: | The aetiology, histopathology, and ultrastructural features of perianal erythema (red anus syndrome) in the European eel (Anguilla anguilla) |
| Keywords: | Anguillicoloides crassus, swimbladder, nematode, aetiology, histopathology, Anguillicola crassus |
| DOI: | 10.1371/journal.pone.0090790 |