@misc{indiciaef78ff971a0e6, title = {Bone density over two centuries.}, author = {J C Stevenson and B Lees and T Molleson and T R Arnett}, year = {1993}, doi = {10.1016/0140-6736(93)91858-j}, url = {https://pubmed.ncbi.nlm.nih.gov/8101338/}, note = {Source identifier: 8101338} }