RT Journal Article SR Electronic T1 Response to: ‘Smoking paradox in the development of psoriatic arthritis among patients with psoriasis’ by Lee and Song JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP e76 OP e76 DO 10.1136/annrheumdis-2017-212770 VO 77 IS 11 A1 Nguyen, Uyen-Sa D T A1 Zhang, Yuqing A1 Choi, Hyon K YR 2018 UL http://ard.bmj.com/content/77/11/e76.abstract AB