Knop, E., Knop, N., Millar, T., Obata, H., & Sullivan, D. A. (2011). The International Workshop on Meibomian Gland Dysfunction: Report of the Subcommittee on Anatomy, Physiology, and Pathophysiology of the Meibomian Gland. Association for Research in Vision and Ophthalmology, Inc.

Knop, Erich, Nadja Knop, Thomas Millar, Hiroto Obata, i David A. Sullivan. The International Workshop On Meibomian Gland Dysfunction: Report of the Subcommittee On Anatomy, Physiology, and Pathophysiology of the Meibomian Gland. Association for Research in Vision and Ophthalmology, Inc, 2011.

Knop, Erich, et al. The International Workshop On Meibomian Gland Dysfunction: Report of the Subcommittee On Anatomy, Physiology, and Pathophysiology of the Meibomian Gland. Association for Research in Vision and Ophthalmology, Inc, 2011.