%0 Journal Article %A AW Heywood %A ID Learmonth %A M Thomas %T Cervical spine instability in rheumatoid arthritis %D 1988 %J The Journal of Bone & Joint Surgery British Volume %P 702-707 %V 70-B %N 5 %R 10.1302/0301-620X.70B5.3192564 %U https://doi.org/10.1302/0301-620X.70B5.3192564 %K