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References
1.
US Department of Health and Human Services.
International classification of diseases 9th revision clinical modification . 1989 ;169 -73 .
2.
American Hospital Association.
Coding clinic for ICD-9-CM . 1992 ;9 (4 ):24 .
3.
World Health Organization.
International statistical classification of diseases and related health problems, 10th revision . 1992 ;290 -97 .