%0 Journal Article %A J. Krenz %A J. D. G. Troup %T THE STRUCTURE OF THE PARS INTERARTICULARIS OF THE LOWER LUMBAR VERTEBRAE AND ITS RELATION TO THE ETIOLOGY OF SPONDYLOLYSIS %D 1973 %J The Journal of Bone & Joint Surgery British Volume %P 735-741 %V 55-B %N 4 %R 10.1302/0301-620X.55B4.735 %U https://doi.org/10.1302/0301-620X.55B4.735 %K