TY  - RPRT
TI  - Trends in pneumonia rates explained by changes in coding practices.
AU  - R J Korda
AU  - J R G Butler
PY  - 2005
DO  - 10.1111/j.1445-5994.2004.00767.x
UR  - https://pubmed.ncbi.nlm.nih.gov/15705150/
ID  - 15705150
ER  -