Yeoh, K H Yahya Cohen Lecture. The optic nerve in the posterior ethmoid in Asians. [electronic resource] - Annals of the Academy of Medicine, Singapore Jan 1996 - 165-71 p. digital Publication Type: Biography; Historical Article; Journal Article; Portrait ISSN: 0304-4602 Subjects--Topical Terms: Asian PeopleEthmoid Sinus--anatomy & histologyGeneral Surgery--historyHistory, 20th CenturyHumansOptic Nerve--anatomy & histologySingapore