Medicine General e5701538 A middle aged female presents with polyarthritis with elevated rheumatoid factorANAanalevels, which among the following will help you to differentiate rheumatoid arthritis from SLE ? A Soft tissue swelling at the proximal inter phalangial joint B Juxta articular osteoporosis or X-ray C Articular erosions on X-ray D Elevated ESR High-Yield Explanation No explanation provided.