What were the major causes of death and injuries during and after ancient battles?

Essay from the year 2008 in the subject World History - Early and Ancient History, grade: 75 Punkte = 1,7, The University of Liverpool (School of Archaeology, Classics and Egyptology), course: Ancient Warfare, language: English, abstract: (...) all infantry actions, even those fought in the closest of close order, are not, in the last resort, combats of mass against mass, but the sum of many comba...