1. Anatomical variation of the insertion of the inferior oblique muscle;Emmel,1984
2. Bifid insertion of the inferior oblique muscle;Baker;Am J Ophthalmol,1982
3. Anomalous duplication of the inferior oblique muscle;Wilson;Am J Ophthalmol,1982
4. Abnormal insertion of the inferior oblique;Banerjee;Br J Ophthalmol,1950
5. Kraft SP, DeAngelis D, Makar I. Double-bellied inferior oblique muscle: a cause of recurrence of inferior oblique overaction. In: Lennerstrand G, editor. Advances in strabismology. Erichem, The Netherlands: Aeolus Press. Forthcoming.