1. Orbital Tumors;Henderson,1973
2. Vascular tumors, malformations, and degenerations;Jakobiec,1976
3. System of Ophthalmology: XIII. The Ocular Adnexa;Duke-Elder,1974
4. Venous malformations in the orbit;Lloyd;Br J Ophthalmol,1971
5. Large varix of the superior ophthalmic veins, demonstration by angular phlebography and removal by electrically induced thrombosis; case report;Handa;J Neurosurg,1968