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机译:Protein supplementation improves muscle mass and physical performance in undernourished prefrail and frail elderly subjects: a randomized, double-blind, placebo-controlled trial
Hanyang Univ, Dept Food & Nutr, Seoul, South Korea;
Hanyang Univ, Coll Med, Dept Family Med, Seoul, South Korea;
protein supplementation; muscle mass; frailty; elderly; clinical trial; malnutrition;