TY  - RPRT
TI  - An ICD-9-CM coding primer: incorporating changes made from October 1, 2003.
AU  - Sue Bowman
AU  - Ann Zeisset
PY  - 2004
DO  - 10.1097/00004045-200406000-00009
UR  - https://pubmed.ncbi.nlm.nih.gov/15184782/
ID  - 15184782
ER  -