The German surgeon Esmarch earned our long good memory: he invented a hemostatic tourniquet, an elastic bandage, and introduced an anesthetic mask into medical practice. But none of these wonderful things bear his name. An irrigator invented by Esmarch's was named after him. Esmarch's irrigator is used for purging the intestines.
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What saints did the conquistadors pray to and why did they decide to conquer Mexico? What was the ethnic, regional, and age composition of the Conquista?