Professional liability.
D049668:History, 15th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D008318:Malpractice / Q000266:history / Q000331:legislation & jurisprudence*; D006113:United Kingdom; D014481:United States