1. Survey on the prevalence of Dermanyssus gallinae in commercial laying farms in Portugal. (13th September 2019) Authors: Waap, Helga; Nunes, Telmo; Mul, MF; Gomes, Jacinto; Bartley, Kathryn Journal: Avian pathology Issue: Volume 48(2019)Supplement 1 Page Start: S2 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗