title: The relative prevalence of dermatomyositis and polymyositis in Europe exhibits a latitudinal gradient.
authors.affiliation: Neuromuscular Centre Nijmegen, Institute of Neurology, University Hospital Nijmegen, PO Box 9101, 6500 HB Nijmegen, The Netherlands.
authors.forename: G J
authors.initials: GJ
authors.lastname: Hengstman
authors.forename: W J
authors.initials: WJ
authors.lastname: van Venrooij
authors.forename: J
authors.initials: J
authors.lastname: Vencovsky
authors.forename: H M
authors.initials: HM
authors.lastname: Moutsopoulos
authors.forename: B G
authors.initials: BG
authors.lastname: van Engelen
mesh_terms: D003882:Dermatomyositis / Q000453:epidemiology*; D005060:Europe / Q000453:epidemiology; D006801:Humans; D017285:Polymyositis / Q000453:epidemiology*; D015995:Prevalence; D012307:Risk Factors; D019371:Topography, Medical