@article{doi:10.1302/0301-620X.69B3.3584188,
author = {Astrom, J and Ahnqvist, S and Beertema, J and Jonsson, B},
title = {Physical activity in women sustaining fracture of the neck of the femur},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {69-B},
number = {3},
pages = {381-383},
year = {1987},
doi = {10.1302/0301-620X.69B3.3584188},
url = {https://doi.org/10.1302/0301-620X.69B3.3584188}
}