-
K.M.M. de Carvalho,
``Efficacy of Posterior Tenectomy of the Superior Oblique for A-Pattern Anisotropia'',
``Update on Strabismus and Pediatric O[hthalmology, with ISBN# 8493-8691-5'',
1_a Edição,
Editora: Gunnar Lennerstrand,
Pags 89-92,
Estados Unidos,
(1994).