1. I. - Abiotrophic ophtalmoplegia externa;DAVIDSON S.;Brit. J. Ophtal,1960
2. Progressive distrophy of the external ocular muscles (ocular myopathy);KILOH L. G.;Brain,1951
3. Ophtalmoplegia plus: the neurodegenerative disorders associated\yith progressive external ophtalmoplegia.;DRACHMAN D. A.;Arch. Neurol. (Chicago),1968
4. Retinitis pigmentosa, external ophtalmoplegia and complet heart blok;KEARNS T. P.;Arch, ophtal. (Chicago),1958