Response to: ‘Corresponence on ‘Shared epitope defines distinct associations of cigarette smoking with levels of anticitrullinated protein antibody and rheumatoid factor’ by Ishikawa et al’ by Regueiro and Gonzalez
Response to: ‘Corresponence on ‘Shared epitope defines distinct associations of cigarette smoking with levels of anticitrullinated protein antibody and rheumatoid factor’ by Ishikawa et al’ by Regueiro and Gonzalez