<prompt> Which of the following HLA types is associated with rheumatoid ahritis 135?HLA B27HLA DR4HLA B8HLA DP  <response>: HLA B27-Ankylosing spondylitis HLA DR4-Rheumatoid ahritis HLA B8-myasthenia gravis Ref: Textbook of Microbiology Baveja 5th ed Pg 135 