AIM To evaluate the cytological diagnostic capacity and sample quality of the slow-pull technique and compare them with different suction techniques.METHODS Fro
AIM To investigate the efficacy of double-layered covered stent in the treatment of malignant oesophageal obstructions.METHODS A systematic review and meta-anal
AIM To investigate the cost effectiveness of routine small bowel biopsies(SBBs) in patients with iron deficiency anemia(IDA) independent of their celiac disease