RT Journal Article SR Electronic T1 The role of APOE in the phenotypic expression of Leber hereditary optic neuropathy JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP e41 OP e41 DO 10.1136/jmg.40.4.e41 VO 40 IS 4 A1 P Y W Man A1 C M Morris A1 M Zeviani A1 F Carrara A1 D M Turnbull A1 P F Chinnery YR 2003 UL http://jmg.bmj.com/content/40/4/e41.abstract AB