Photic sneeze reflex.
Keeton
T K
TK
D005858:Germany; D049672:History, 19th Century; D006801:Humans; D008027:Light; D008091:Literature; D009462:Neurology / Q000266:history; D010775:Photic Stimulation; D012018:Reflex / Q000502:physiology*; D012912:Sneezing / Q000502:physiology*