Dryden, R M Total internal reflection for positioning Jones tube. [electronic resource] - Archives of ophthalmology (Chicago, Ill. : 1960) Jun 1985 - 858-9 p. digital Publication Type: Journal Article ISSN: 0003-9950 Standard No.: 10.1001/archopht.1985.01050060118040 doi Subjects--Topical Terms: DacryocystorhinostomyHumansIntubation--methods