Response to: 'Calprotectin is not independent from baseline erosion in predicting radiological progression in early rheumatoid arthritis' by Chevreau et al
Author(s):
Jonsson, M.K.; Sundlisaeter, N.P.; Nordal, H.H.; Hammer, H.B.; Aga, A.B.; Heijde, D. van der; Kvien, T.K.; Fevang, B.T.S.; Lillegraven, S.; Haavardsholm, E.A.
