Powder X-ray diffraction analysis of Chinese medicinal materials Gekko gecko Study on anti-tumor effect of dry and fresh Gekko swinhonis freeze-dried powders on mice sarcoma S180 and acute toxicity testing of two powders Effect of gecko alcohol extract on human esophageal squamous carcinoma cell line EC9706 and anti-tumor activity in vivo Analysis of the Chemical Constituents of Gekko gecko Linnaeus Pharmacological Effects of Extract of Arillus longan (Lour.)Steud. and Gecko