Rheumatoid Factor: A Complete Guide
What Is Rheumatoid Factor? What Is RF? Rheumatoid factor (RF) is a type of antibody, an immune system protein that helps the body fight foreign substances like bacteria and viruses,…
What Is Rheumatoid Factor? What Is RF? Rheumatoid factor (RF) is a type of antibody, an immune system protein that helps the body fight foreign substances like bacteria and viruses,…