References
- Costenbader, Frank D.: Clinical course and management of esotropia. In: Strabismus Ophthalmic Symposium II, James H. Allen, ed., St. Louis, C. V. Mosby, 1958, p. 325.
- Knapp, Philip: Vertically incomitant horizontal strabismus: the so-called “A” and “V” syndromes, Trans Amer Ophthal Soc, 57:666–699, 1959.
- Scobee, Richard G.: The Oculorotary Muscles, St. Louis, C. V. Mosby, 1947.
- Urist, Martin J.: Horizontal squint with secondary vertical deviations, Arch Ophthal (Chicago), 46:245–267 (Sept.) 1951.