1. Cyclic esotropia;Akhanda;Mymensingh Med J,2008
2. A case of cyclic esotropia with unusual periodicity;Sagat;Tamil Nadu Ophthalmic Assoc,2013
3. Cyclic esotropia in children;Stager;J AAPOS,2010
4. Cyclic esotropia with central nervous disease: report of two cases;Pillai;J Pediatric Ophthalmol Strabismus,1987
5. Cyclic esotropia—a case history;Hess;Am Orthoptic J,1974