CURTIS R. GRUEL

Clinical and Radiological Evaluation of Lumbosacral Motion below Fusion Levels in Idiopathic Scoliosis

T. C. Howard, W. Herndon, J. Kopta, 1988, Spine.

Roentgenographic Evaluation of Lumbar Spine Flexion‐Extension in Asymptomatic Individuals

T. C. Howard, J. Kopta, J A Kopta, 1989, Spine.