van der Heijde, D. M., van't Hof, M. A., van Riel, P. L., van Leeuwen, M. A., van Rijswijk, M. H., & van de Putte, L. B. (1992). Validity of single variables and composite indices for measuring disease activity in rheumatoid arthritis.
Chicago Style Citationvan der Heijde, D M., M A. van't Hof, P L. van Riel, M A. van Leeuwen, M H. van Rijswijk, and L B. van de Putte. Validity of Single Variables and Composite Indices for Measuring Disease Activity in Rheumatoid Arthritis. 1992.
MLA Citationvan der Heijde, D M., et al. Validity of Single Variables and Composite Indices for Measuring Disease Activity in Rheumatoid Arthritis. 1992.
Warning: These citations may not always be 100% accurate.