Change in D3Cr muscle mass in oldest old men and its association with changes in grip strength and walking speed - Megan Hetherington-Rauth; Chuck E. McCulloch; William J. Evans; Marc Hellerstein; Mahalakshmi Shankaran; Jane A. Cauley; Kris Ensrud; Lisa Langsetmo; Eric S. Orwoll; Peggy M. Cawthon (PLoS ONE, 2025)