Bushell, G R The effect of spinal fusion on the collagen and proteoglycans of the canine intervertebral disc. [electronic resource] - The Journal of surgical research Jul 1978 - 61-9 p. digital Publication Type: Journal Article ISSN: 0022-4804 Standard No.: 10.1016/0022-4804(78)90159-2 doi Subjects--Topical Terms: AnimalsCentrifugation, Density GradientCollagen--metabolismDogsIntervertebral Disc--metabolismProteoglycans--metabolismSpinal FusionUltracentrifugation