AIM: Endoscopic dilation of esophageal strictures is acommonly performed procedure in the management ofdysphagia. The procedure is usually done withfluoroscopic
AIM: Artificial β-cell lines may offer an abundant source of calls for the treatment of type Ⅰ diabetes, but insulin secretion in β-cells is tightly regulwte
INTRODUCTIONAlthough reliable assays for the detection ofhepatitis C virus and E virus became available, still10% 20% hepatitis are not caused byhepatitis A-E v