PT - JOURNAL ARTICLE AU - Cristina Regueiro AU - Antonio Gonzalez TI - Questions on ‘Sequencing of the MHC region defines <em>HLA-DQA</em>1 as the major genetic risk for seropositive rheumatoid arthritis in Han Chinese population’ by Guo <em>et al</em> AID - 10.1136/annrheumdis-2020-217031 DP - 2022 Mar 01 TA - Annals of the Rheumatic Diseases PG - e38--e38 VI - 81 IP - 3 4099 - http://ard.bmj.com/content/81/3/e38.short 4100 - http://ard.bmj.com/content/81/3/e38.full SO - Ann Rheum Dis2022 Mar 01; 81