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Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
achoo syndromePhotic sneeze reflex An AD condition affecting ± 25% of the population, which is characterized by paroxysms of sneezing when passing from dark to bright light or direct sunlight–aka helicociliosternutatogenic reflex
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.