@misc{indiciae3547d4acc37d, title = {Age-dependent changes in proteoglycan biosynthesis in human intervertebral discs.}, author = {J Krajícková and R Poláková and K Smetana and R Vytásek}, year = {1995}, url = {https://pubmed.ncbi.nlm.nih.gov/7621968/}, note = {Source identifier: 7621968} }