@article{doi:10.1302/0301-620X.71B4.2768317,
author = {Charnley, RM and Bickerstaff, DR and Wallace, WA and Stevens, A},
title = {The measurement of osteoporosis in clinical practice. Comparison of histological and radiological methods},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {71-B},
number = {4},
pages = {661-663},
year = {1989},
doi = {10.1302/0301-620X.71B4.2768317},
url = {https://doi.org/10.1302/0301-620X.71B4.2768317}
}