TY - RPRT TI - Age-related changes in cartilage proteoglycans: quantitative electron microscopic studies. AU - J A Buckwalter AU - P J Roughley AU - L C Rosenberg PY - 1994 DO - 10.1002/jemt.1070280506 UR - https://pubmed.ncbi.nlm.nih.gov/7919527/ ID - 7919527 ER -