TY - JOUR AU - Duthie, Robert B. DO - doi:10.1302/0301-620X.56B2.400-b UR - https://doi.org/10.1302/0301-620X.56B2.400-b TI - Connective Tissue and Ageing T2 - The Journal of Bone & Joint Surgery British Volume VL - 56-B IS - 2 PY - 1974 SP - 400 EP - 401 ER -