PMID 12210792 2002 Mutations of mitochondrial DNA polymerase gammaA are a frequent cause of autosomal dominant or recessive progressive external ophthalmoplegia.
PMID 17420318 2007 Mutation of the linker region of the polymerase gamma-1 (POLG1) gene associated with progressive external ophthalmoplegia and Parkinsonism.
PMID 15534189 2004 A novel polymerase gamma mutation in a family with ophthalmoplegia, neuropathy, and Parkinsonism.