A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is
Alcohol and tobacco are the main factors of laryngeal and pharyngeal carcinoma. 1 There is an association between the esophageal biliary regurgitation and tumors. 2 It is suggested that the main factor behind it is the lack of "protective mechanism" against the proximal reflux. It is very difficult to evaluate the effect of bile regurgitation on these cancers. The main areas of concern are the latency period and the bile reflux exposure time before the invasion of tumors. A lot of gastrectomydoi:10.5281/zenodo.4277759 fatcat:zew7bmtryvdpnhowuqdfg4l3xq