Study of GABA in healthy volunteers: pharmacokinetics and pharmacodynamics oleh Junfeng eLi, Zhaoyun eZhang, Xiaoxia eLiu, Yi eWang, Fei eMao, Junjun eMao, Xiaolan eLu, Dongdong eJiang, Yun eWan, Jia-Ying eLv, Guoying eCao, Qing eZhang, Naiqing eZhao, Mark eAtkinson, Dale L. Greiner, Gerald J. Prud'homme, Zheng eJiao, Yiming eLi, Qinghua eWang, Qinghua eWang, Qinghua eWang