a simple method of assessing 'index of disease activity ' ( ida ) in rheumatoid arthritis ( ra ) using a multivariate analysis ( mva ) comprising morning stiffness ( ms ) , pain scale ( ps ) , grip strength ( gs ) , articular index ( ai ) , haemoglobin ( hb ) and erythrocyte sedimentation rate ( esr ) is described .
C0003873
rheumatoid
C0022417
articular