Hsin HSIU ; Weichen HSU ; Shihming HUANG ; Chiaching LIN ; Hungwen LIN
Journal of Integrative Medicine 2011;9(10):1101-9
This study aimed to assess the skin-surface microcirculatory effects of oral administration of Liuwei Dihuang (LW) formula by analyzing the frequency content of laser-Doppler skin blood-flow signals at important acupoints.