title: [The harbor seal (Phoca vitulina) in the last century].
authors.forename: J S
authors.initials: JS
authors.lastname: van der Kamp
authors.forename: A D
authors.initials: AD
authors.lastname: Osterhaus
mesh_terms: D000818:Animals; D004196:Disease Outbreaks / Q000662:veterinary*; D018104:Distemper Virus, Phocine; D005060:Europe; D018185:Morbillivirus Infections / Q000401:mortality / Q000662:veterinary*; D009426:Netherlands; D046048:Seals, Earless