The Epidemiology of Leber Hereditary Optic Neuropathy in the North East of England  P.Y.W. Man, P.G. Griffiths, D.T. Brown, N. Howell, D.M. Turnbull, P.F. Chinnery  The American Journal of Human Genetics  Volume 72, Issue 2, Pages 333-339 (February 2003) DOI: 10.1086/346066 Copyright © 2003 The American Society of Human Genetics Terms and Conditions

Figure 1 Map of the British Isles, showing the North East Government Office region of England The American Journal of Human Genetics 2003 72, 333-339DOI: (10.1086/346066) Copyright © 2003 The American Society of Human Genetics Terms and Conditions

Figure 2 Cumulative age at onset of LHON in the North East of England. The American Journal of Human Genetics 2003 72, 333-339DOI: (10.1086/346066) Copyright © 2003 The American Society of Human Genetics Terms and Conditions