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Spine|January 15, 1994
A laboratory model of lumbar disc protrusion. Fissure and fragmentP Brinckmann, R W PorterSpine|July 1, 1994
Changes of the lumbar spinal canal proximal to spina bifida occulta. An archaeologic study with clinical significanceT Papp, R W PorterSpine|January 15, 1994
A ten-year prospective study of vertebral canal size as a predictor of back painR W Porter, B BewleySpine|November 1, 1987
The vertebral canal: I. Nutrition and development, an archaeological studyR W Porter, D PavittThe Journal of Bone and Joint Surgery. British Volume|January 1, 1982
Unilateral spondylolysisR W Porter, W ParkSpine|September 1, 1989
Walking and cycling tests in neurogenic and intermittent claudicationG Dong, R W PorterParaplegia|August 1, 1976
Alterations in the H-reflex in the paraplegic induced by bladder distentionR W Porter, M KrellSpine|November 24, 1999
Localized stresses in the intervertebral disc resulting from a loose fragment. A theory for fissure and fragmentR M Aspden, R W PorterPageof 11