JAK2 mutation may predict response and guide first line treatment in rheumatoid arthritis.Published in:Egyptian Journal of Internal Medicine, 2021, v. 33, n. 1, p. 1, doi. 10.1186/s43162-021-00089-2By:Adel, Yasmin;Sabry, Mohamed;El-Sabbagh, Amr Mohamed;Sadeq, YousraPublication type:Article