Garis besar : geografi Amerika

 Birdsall, Stephen S.; Florin, John;

USA : United States Departement of State , 1992

Ophthalmic pathology and intraocular tumors section 4

 The Foundation of the American Academy of Opthalmology;

Amerika : American Academy of Ophthalmology , 2001

System of ophthalmology vol. IX B : diseases of the uveal tract

 Duke; Elder, Stewart, Sir;

London : Institute of Opthalmology , 1966

System of ophthalmology vol. X

 Duke; Elder, Stewart, Sir;

London : Institute of Opthalmology , 1967

System of ophthalmology vol. IV : the physiology of the eye and of vision

 Duke; Elder, Stewart, Sir;

London : Institute of Opthalmology , 1968

System of ophthalmology vol. II

 Duke; Elder, Stewart, Sir;

London : Institute of Opthalmology , 1961

Basic and clinical science course section 7 : orbit, eyelids, and lacrimal system

 Hecht, Kathryn A.;

San Francisco : American Academy of Ophthalmology , 2000

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