1. Paralytic strabismus in children;Harley;Ophthalmology,1980
2. Incidence of strabismus in neonates;Nixon;Am J Ophthalmol,1985
3. Concomitant esodeviations;Parks,1991
4. Concomitant exodeviations;Parks,1991
5. Clinical features of Duane’s syndrome;Raab;J Pediatr Ophthalmol Strabismus,1986