@article{articlef28ff4be,
title   = {Biomechanics of four techniques for fixation of the four part humeral head fracture},
author = {Graça, Elpidio da and Okubo, Rodrigo and Shimano, Antonio Carlos and Mazzer, Nilton and Barbieri, Claudio Henrique},
year = {2013},
doi = {10.1590/S1413-78522013000100007},
journal   = {Acta Ortopédica Brasileira}
}