PT - JOURNAL ARTICLE AU - Pincus, Theodore AU - Wolfe, Frederick TI - Patient questionnaires for clinical research and improved standard patient care: is it better to have 80% of the information in 100% of patients or 100% of the information in 5% of patients? DP - 2005 Apr 01 TA - The Journal of Rheumatology PG - 575--577 VI - 32 IP - 4 4099 - http://www.jrheum.org/content/32/4/575.short 4100 - http://www.jrheum.org/content/32/4/575.full SO - J Rheumatol2005 Apr 01; 32