Care of the sick brothers by the crusader orders in the Holy Land.
D001815:Bloodletting / Q000266:history; D002977:Clergy / Q000266:history*; D013502:General Surgery / Q000266:history; D049691:History, Medieval; D006801:Humans; D007918:Leprosy / Q000266:history; D008877:Middle East; D008887:Military Medicine / Q000266:history*; D012068:Religion and Medicine