Objective: To observe the clinical efficacy of modified Huanglian Wendan Decoction (HWD) in treating senile mild cognitive impairment (MCI) of turbid-phlegm blocking orifice syndrome.; Methods: With a block randomized, double-blinded and controlled design adopted, the 64 patients of MCI selected from December 2007 to February 2009 were randomly and equally assigned to two groups. The […]