The Levels of Evidence and their role in Evidence-Based . History of Levels of Evidence. The levels of evidence were originally described in a report by the Canadian Task Force on the Periodic Health Examination in 1979. 7 The report’s purpose was to develop recommendations on the periodic health exam and base those recommendations on evidence in the medical literature.
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Charles Klauder Wikipedia. Born in Philadelphia Pennsylvania Klauder was the son of Louis and Anna Koehler Klauder who had immigrated to Philadelphia from Germany He studied architecture at the School of Industrial Art at the Pennsylvania Museum At age 15 he entered the office of Theophilus Parsons Chandler Jr Beginning in 1893 he worked for prominent Philadelphia architectural firms including ...