RT Journal Article SR Electronic T1 Response to: ‘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’ by Regueiro and Gonzalez JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP e39 OP e39 DO 10.1136/annrheumdis-2020-217064 VO 81 IS 3 A1 Jianping Guo A1 Tao Zhang A1 Xiaowei Li A1 Hongzhi Cao A1 Zhanguo Li YR 2022 UL http://ard.bmj.com/content/81/3/e39.abstract AB