@misc{indiciae9914d062e74d, title = {Section I: Introduction.}, author = {Warren A Katz and Russell Rothenberg}, year = {2005}, doi = {10.1097/01.rhu.0000158689.50025.ce}, url = {https://pubmed.ncbi.nlm.nih.gov/16357725/}, note = {Source identifier: 16357725} }