TY - RPRT TI - Biochemical changes in intervertebral disc degeneration. AU - G Lyons AU - S M Eisenstein AU - M B Sweet PY - 1981 DO - 10.1016/0304-4165(81)90476-1 UR - https://pubmed.ncbi.nlm.nih.gov/7225426/ ID - 7225426 ER -