Association of serum glycine levels with metabolic syndrome in an elderly Chinese population. - Li, Xianghui; Sun, Liang; Zhang, Wenduo; Li, Hongxia; Wang, Siming; Mu, Hongna; Zhou, Qi; Zhang, Ying; Tang, Yueming; Wang, Yu; Chen, Wenxiang; Yang, Ruiyue; et al. (Nutrition & Metabolism, 2018)