Prevention of late complications after large endoscopic resection is inefficient with current methods.Endoscopic shielding,as a simple and safe technique,has be
以聚氧化丙烯二醇,甲苯二异氰酸酯、二羟甲丙酸、2-甲基丙二醇、三乙胺和多元胺为原料合成了一系列不同离子基团含量的聚氨酯乳液,并测定了乳液的ζ电位,以及高温、冻融、机械稳定
A world-wide rise in the prevalence of obesity continues. This rise increases the occurrence of, risks of, and costs of treating obesity-related medical conditi
The incidence of esophageal cancer is rising, mostlybecause the increasing incidence of esophagealadenocarcinoma in Western countries. Despiteimprovements in di
Attenuated adenomatous polyposis(AAP) is a poorly understood syndrome, that can be defined as the presence of 10-99 synchronous adenomas in the large bowel, and
Continuous-flow left ventricular assist devices(CF-LVADs)have significantly improved outcomes for patients with end-stage heart failure when used as a bridge to