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2. A series of cases of carcinoma of the eyeball;Hulke;Ophthalmic Hosp Rep,1861
3. Facial pigmented naevus involving the sclera;Pusey;Ophthal Rec,1916
4. Fusco-caeruleus ophthalmomaxillaris;Ota;Jpn J Dermatol,1939
5. Ocular and dermal melanocytosis;Fitzpatrick;AMA Arch Ophthalmol,1956