Comparison of the Charlson Comorbidity Index derived from self-report and medical record review in Asian patients with rheumatic diseases
Crossref DOI link: https://doi.org/10.1007/s00296-015-3296-z
Published Online: 2015-06-10
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Ng, Xinyi
Low, Andrea Hsiu Ling
Thumboo, Julian
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