1. O07 The increase in erythrocyte mean corpuscular volume by methotrexate is potentiated by hydroxychloroquine and is an early indicator of clinical response in rheumatoid arthritis. (26th April 2021) Authors: Shipa, Muhammad R; Yeoh, Su-Ann; Embleton-Thirsk, Andrew; Mukerjee, Dev; Ehrenstein, Michael R Journal: Rheumatology Issue: Volume 60(2021)Supplement 1 Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗