PROXIMAL HUMERUS FRACTURES IN THE ELDERLY. USE OF THE PERCUTANEOUS RUSH NAIL. ALCIVAR HOSPITAL. JANUARY 2016 TO MAY 2019. AM/EC [Internet]. 2021 Dec. 31 [cited 2026 May 26];30(2):92. Available from: https://actasmedicas.ec/index.php/am/article/view/46