RT Journal Article SR Electronic T1 Questions on ‘Sequencing of the MHC region defines HLA-DQA1 as the major genetic risk for seropositive rheumatoid arthritis in Han Chinese population’ by Guo et al JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP e38 OP e38 DO 10.1136/annrheumdis-2020-217031 VO 81 IS 3 A1 Cristina Regueiro A1 Antonio Gonzalez YR 2022 UL http://ard.bmj.com/content/81/3/e38.abstract AB