Neurological philately.
Gluckman
L K
LK
D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D009223:Myotonic Dystrophy / Q000266:history; D009462:Neurology / Q000266:history*; D009520:New Zealand; D010678:Philately; D014481:United States