@misc{indiciae5399a413d5e3, title = {Assessing illness severity: does clinical judgment work?}, author = {M E Charlson and F L Sax and C R MacKenzie and S D Fields and R L Braham and R G Douglas}, year = {1986}, doi = {10.1016/0021-9681(86)90111-6}, url = {https://pubmed.ncbi.nlm.nih.gov/3086355/}, note = {Source identifier: 3086355} }