Complex measures and indices for clinical research compared with simple patient questionnaires to assess function, pain, and global estimates as rheumatology "vital signs" for usual clinical care.
Complex measures and indices for clinical research compared with simple patient questionnaires to assess function, pain, and global estimates as rheumatology "vital signs" for usual clinical care. Rheum Dis Clin North Am. 2009 Nov; 35(4):779-86, ix.