Narrative review of the mechanisms of action of dachengqi decoction in the treatment of hyperlipidemic pancreatitis on six-hollow-organs to be unblocked theory - Liu, Guoxiong; Liu, Fang; Xiao, Long; Kuang, Qiaogui; He, Xingfeng; Wang, Yu; Wang, Yaming (Annals of Palliative Medicine, 2020)