title: Introduction: ecological impact of parasitism on wildlife host populations.
authors.affiliation: Zoology Department, Cambridge University, UK.
authors.forename: B T
authors.initials: BT
authors.lastname: Grenfell
authors.forename: F M
authors.initials: FM
authors.lastname: Gulland
mesh_terms: D000818:Animals; D000835:Animals, Wild / Q000469:parasitology*; D003141:Communicable Diseases / Q000503:physiopathology / Q000662:veterinary*; D004463:Ecology; D006801:Humans; D010272:Parasitic Diseases / Q000503:physiopathology; D010273:Parasitic Diseases, Animal; D015047:Zoonoses