
Amplio Pharma now planning a phase 2a study after NovoBioJect raised intracellular active methotrexate levels by 38%.
This week's rheumatoid arthritis quiz was developed by Fotios Koumpouras, MD, Director of Education and Training and Director of the Yale Lupus Program at Yale School of Medicine.
How often is rheumatoid arthritis (RA) seronegative?
A. ~10%
B. ~50%
C. ~1%
D. ~30%



