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http://www.urz.uni-heidelberg.de/subject/hd/fak7/hist/o2/3/6/2/ (Einblicke ins Internet, 10/1995)

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• 362.2 Mental & emotional illnesses & disturbances
• 362.29 Substance abuse
• 362.297 Measures to prevent, protect against, limit effect of problems
• 362.297009 Historical, geographical, persons treatment