Comparability of diagnostic data; coded by the 8th and 9th International Classification of Diseases.
Contributors: National Center for Health Statistics (U.S.)
Series: Vital and health statistics -- no. 104; DHHS publication -- no. (PHS)87-1378
Publisher: U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics
Place of publication: Hyattsville, Md