The etiology of arthritis in Hyaenidae has been a subject of conjecture. While osteoarthritis has been considered, the observation of an erosive arthritis prompted a systematic survey of museum specimens to define its nature and frequency.…
Shared characteristics and concurrent occurrence of rheumatoid arthritis (RA) and spondyloarthropathy in contemporary populations have compromised development of clear diagnostic criteria for distinguishing them. Although modern populations contain…
