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Single-micelle-directed synthesis of mesoporous materials
(
Nature Research
, 2019 , Article Review)
Functional mesoporous materials with multilevel architectures, ranging from 0D to 3D, are typically prepared using surfactant-templating methods. In these methods, surfactants first form single micelles or aggregated ...
Optimal dilation time for combined small endoscopic sphincterotomy and balloon dilation for common bile duct stones: a multicentre, single-blinded, randomised controlled trial
(
Elsevier Ltd
, 2019 , Article)
Background
Endoscopic sphincterotomy is the established treatment for common bile duct stones. Balloon dilation offers an alternative. Prolonged dilation (300 s) with a 10 mm diameter balloon decreases the occurrence of ...