The upper esophageal sphincter can be controlled when we swallow food or liquids. If the upper esophageal sphincter does not work properly, acid can flow back into the throat and cause heartburn. To ...
Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results