@misc{indiciae8b5a4064b096, title = {An ICD-9-CM coding primer: incorporating changes made from October 1, 2003.}, author = {Sue Bowman and Ann Zeisset}, year = {2004}, doi = {10.1097/00004045-200406000-00009}, url = {https://pubmed.ncbi.nlm.nih.gov/15184782/}, note = {Source identifier: 15184782} }