Evaluation of the efficacy of Ajugaï¿½decumbens extract supplement in individuals with knee discomfort associated with physical activity: A randomized, double‑blind, placebo‑controlled study - Norimasa Sato; Takehito Hananouchi; Yoko Sawada; Atsushi Sugimoto; Isao Nagaoka (Experimental and Therapeutic Medicine, 2017)