TOULOUPAKIS, Georgios; STUFLESSER, Wilfried; FERRARA, Fabrizio; MAIONE, Alessio; ANTONINI, Guido; CRIPPA, Cornelio. Early-stage radiological critical analysis of unsuccessful cases following a four-part fracture osteosynthesis of the proximal humerus: focus on the “P” sign. Acta Biomedica Atenei Parmensis, Fidenza, Italy, v. 88, n. 2, p. 178–184, 2017. DOI: 10.23750/abm.v88i2.5295. Disponível em: https://mattioli1885journals.com/index.php/actabiomedica/article/view/5295.. Acesso em: 27 jul. 2024.