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U.S. Department of Health and Human Services
view article (1.0)Department of Health and Human Services, Washington, DCDHHS Publ. (PHS)80-120DHHS Publ. (PHS)80-120International Classification of Diseases. 9th Revision. Clinical Modification. Volume 1. Diseases Tabular List, Government Printing Office, Washington, DC, 1207 p., 1980