The reliability and validity of ultrasound to quantify muscles in older adults
Nijholt, Willemke; Scafoglieri, Aldo; Jager-Wittenaar, Harriët (Malnutrition And Healthy Ageing); Hobbelen, Hans (Ageing And Allied Health Care); van der Schans, Cees P (Healthy Ageing, Allied Health Care And Nursing)