AIM To elucidate longitudinal changes of an endoscopic Barrett esophagus(BE), especially of short segment endoscopic BE(SSBE). METHODS This study comprised 779
AIM: To investigate the role that the hedgehog (Hh) signaling pathway, which includes sonic hedgehog (Shh), Patched (Ptc), Smoothened (Smo) and Gli-1, plays in