@article{doi:10.1302/0301-620X.73B4.2071652, author = {Roberts, SN and Foley, AP and Swallow, HM and Wallace, WA and Coughlan, DP}, title = {The geometry of the humeral head and the design of prostheses}, journal = {The Journal of Bone & Joint Surgery British Volume}, volume = {73-B}, number = {4}, pages = {647-650}, year = {1991}, doi = {10.1302/0301-620X.73B4.2071652}, url = {https://doi.org/10.1302/0301-620X.73B4.2071652} }