Rheumatoid factor, smoking, and disease severity: associations with mortality in rheumatoid arthritis.
Nicola J
NJ
Goodson
Tracey M
TM
Farragher
Deborah P M
DP
Symmons
D001172:Arthritis, Rheumatoid / Q000150:complications / Q000401:mortality*; D002318:Cardiovascular Diseases / Q000150:complications / Q000401:mortality; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications / Q000401:mortality; D012217:Rheumatoid Factor / Q000009:adverse effects*; D012307:Risk Factors; D012720:Severity of Illness Index; D012907:Smoking / Q000009:adverse effects*
D012217:Rheumatoid Factor