AGUILAR MANCIL, Z. C. (2026) “Utility of Ultrasound in the Diagnosis of Primary Sarcopenia: An Umbrella Review of Systematic Reviews”, Investigación en Discapacidad. Mexico, 12(S1). Available at: https://dsm.inr.gob.mx/indiscap/index.php/INDISCAP/article/view/1039 (Accessed: 5 November 2026).