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