Citation: 
England BR, Sayles H, Mikuls TR, Johnson DS, Michaud K. Validation of the Rheumatic Disease Comorbidity Index. Arthritis Care Res (Hoboken) 2014 Sep 3. doi: 10.1002/acr.22456.
Journal: 
Arthritis Care Res (Hoboken)
Publication date: 
2014
PubMed ID: