“…med._a., 1968, 2,31 Cervical spine involvement has long been recognized as a feature of juvenile rheumatoid arthritis (Still, 1896;Coss and Boots, 1946;Potter et al, 1954;Ziff et al, 1954). Though Garrod described cervical spine involvement in adult rheumatoid arthritis in 1890, it is only within relatively recent times that the frequency and importance of cervical spine changes in adult rheumatoid arthritis has been appreciated (Kellgren and' Lawrence, 1956Sharp, 1957;Purser, 1957, 1961;Sharp et al, 1958;Martel, 1961;Conlon et al, 1966).…”