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4. 4) Health Insurance Claims Review & Reimbursement Services. “Computerized processing system of claims.”: ‹http://www.ssk.or.jp/rezept/index.html›, cited November, 2013.
5. 5) World Health Organization. “International Classification of Diseases (ICD).”: ‹http://www.who.int/classifications/icd/en/›, cited March, 2014.