PT - JOURNAL ARTICLE AU - Kievit, Wietske AU - den Broeder, Alfons A. TI - If You Want to Perform a Cost-effectiveness Trial, First Do a Modeling Study AID - 10.3899/jrheum.201430 DP - 2021 Apr 01 TA - The Journal of Rheumatology PG - 473--475 VI - 48 IP - 4 4099 - http://www.jrheum.org/content/48/4/473.short 4100 - http://www.jrheum.org/content/48/4/473.full SO - J Rheumatol2021 Apr 01; 48