Oral creatine in hemodialysis patients increases physical functional capacity and muscle mass, an open label study - Waldo Bernales-Delmon; Simón Schulz; Iván Guglielmi; Cynthia Saravia; Yasna Venegas; Jaime Joost; Jose Aguilar; Andrés Wulf; Paulina Bittner; María Claudia Martínez; Sandy Gómez; Catalina Chávez; et al. (PLoS ONE, 2025)