Specifies the terms and definitions of rheumatic diseases, diffuse connective tissue diseases, spondyloarthropathies, osteoarthritis, rheumatic syndromes caused by infection, metabolic and endocrinological diseases associated with rheumatic diseases, neoplastic rheumatic diseases, neurological Treatment requirements for rheumatic diseases such as vasculopathic rheumatism, bone and cartilage lesions, extra-articular diseases, and other diseases related to symptoms.