@article{doi:10.1302/0301-620X.70B4.3403598, author = {Rietveld, AB and Daanen, HA and Rozing, PM and Obermann, WR}, title = {The lever arm in glenohumeral abduction after hemiarthroplasty}, journal = {The Journal of Bone & Joint Surgery British Volume}, volume = {70-B}, number = {4}, pages = {561-565}, year = {1988}, doi = {10.1302/0301-620X.70B4.3403598}, url = {https://doi.org/10.1302/0301-620X.70B4.3403598} }