Wright GC, Zueger PM, Copley-Merriman K, Khan S, Costello J, Krumbach A, Reddy P, Tanjinatus O, Wells AF. Health disparities in rheumatology in the United States. Open Access Rheumatol. 2025 Jan 9;17:1-12. doi: 10.2147/OARRR.S493457
Reed (Earnshaw) SJ, Reed JH. The use of statistical quality control charts in monitoring interviewers. Proceedings of the Survey Research Methods Section, American Statistical Association. 1997 Jan;893-8.