'The only man to have all his work done by Friday was Robinson Crusoe' (anon)
Vaughan
R S
RS
D000776:Anesthesiology / Q000266:history* / Q000295:instrumentation; D004867:Equipment Design / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007442:Intubation, Intratracheal / Q000266:history* / Q000295:instrumentation; D017214:Laryngeal Masks / Q000266:history