[Preventive effects of a sachet of Chinese herbs on influenza and its immune regulation].
Liu
Long
L
Department of Traditional Chinese Medicine, Changhai Hospital, Second Military Medical University, Shanghai 200433, China.
Yue
Xiao-Qiang
XQ
Wang
Li-Na
LN
Gu
Wei
W
Xin
Hai-Liang
HL
Zheng
Guo-Yin
GY
Ling
Chang-Quan
CQ