Willis, A M Evaluation of intraocular pressure in eyes of clinically normal llamas and alpacas. [electronic resource] - American journal of veterinary research Dec 2000 - 1542-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0002-9645 Standard No.: 10.2460/ajvr.2000.61.1542 doi Subjects--Topical Terms: AnimalsCamelids, New World--physiologyCircadian RhythmConfidence IntervalsFemaleIntraocular Pressure--physiologyMaleOrchiectomyOvariectomyReference ValuesSpecies SpecificityTonometry, Ocular--methods