1. Diagnosis and surgical treatment of hypertropia;Knapp;Am. Orthopt. J.,1971
2. Classification and surgical treatment of superior oblique palsy. II. Bilateral palsies;Scott;Trans. New Orleans Acad. Ophthalmol.,1986
3. Bilateral superior oblique paralysis;Urist;Arch. Ophthalmol.,1953
4. Hugonnier, R.: See-saw paralysis of the superior oblique muscle. In Transactions of the Second Congress of the International Strabismological Association. Marseilles, Diffusion Gejal Libraire, 1976, pp. 120–122.
5. Surgical management of superior oblique paresis;Souza-Dias,1976