Letter: More on Sherlock Holmes.
D000783:Aneurysm / Q000266:history; D049672:History, 19th Century; D006801:Humans; D008093:Literature, Modern; D008382:Marfan Syndrome / Q000266:history; D008513:Medicine in Literature; D012425:Russia (Pre-1917); D013587:Syphilis / Q000266:history