1. Congenital deficiency of abduction, associated with impairment of adduction, retraction movements, contraction of the palpebral fissure and oblique movements of the eye;Duane;Arch. Ophth.,1905
2. Worth and Chavasse's Squint;Lyle,1959
3. Congenital defects of abduction and other ocular movements and their relation to birth injuries;Gifford;Am. J. Ophth.,1926
4. Anisometropia and amblyopia;Stevens;Brit. Orthop. J.,1960
5. Electromyography of eye muscle;Huber;Tr. Ophth. Soc. U.K.,1962