%0 Journal Article %A T Papp %A RW Porter %A RM Aspden %T Trefoil configuration and developmental stenosis of the lumbar vertebral canal %D 1995 %J The Journal of Bone & Joint Surgery British Volume %P 469-472 %V 77-B %N 3 %R 10.1302/0301-620X.77B3.7744939 %U https://doi.org/10.1302/0301-620X.77B3.7744939 %K