1. Acute comitant esotropia in children with brain tumours;Williams, A.S.; Hoyt, C.S.;Arch Ophthalmol,1989
2. Diagnosis and management of ocular motility disorders;Mein, J.; Harcourt, B.
3. The diagnosis of twin zygosity;Nichols, R.C.; Bildro, W.C.;Acta Senet,1966
4. Role of heredity in aetiology and treatment of strabismus;Scholssman, A.; Priestley, B.S.;Arch Ophthalmol,1952
5. Genetiseke Aspkte Bei Der Esotropie Eineiiger Zeillinge;Lang, J.;Klin Monatsbl Augenkeilkd,1990