ACPA; COMORA; Level of seropositivity; RF; Rheumatoid arthritis; Smoking
Zorkany, B. E., A. Mokbel, S. M. Gamal, I. Hmamouchi, and M. Dougados,
"Does smoking afect level of seropositivity in RA? A post‑HOC global and inter‑country analysis of COMORA cohort",
Rheumatology International, vol. 41, issue 4, pp. 699 - 705, 2021.