ICD-9-CM. International Classification of Diseases, 9th revision, Clinical Modification. 3d edition, volumes 1, 2 and 3. Official authorized addendum effective October 1, 1990--HCFA.
D000043:Abstracting and Indexing; D004194:Disease / Q000145:classification*; D006801:Humans; D008499:Medical Records / Q000145:classification*; D014481:United States