Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching Rheumatoid Factor Test Positive - what does it mean? | Comprehensive Guide to Autoimmune Disorders. and this video is uploaded by Dr. Diana Girnita - Rheumatologist OnCall at 2022-08-28T00:02:10-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [hsjAY02ogMI]