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Endoscopic management of postcholecystectomy bile duct strictures.
BACKGROUND Review of 1.6 million cholecystectomies, from 1992 to 1999, demonstrated a 0.5% incidence of bile duct injury, despite increasing experience with laparoscopy. The incidence has notExpand
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Ampullary Tumors: Endoscopic Versus Operative Management
Most ampullary adenomas (80%) are common benign ampullary tumors; however, they can range from mild dysplasia to high-grade dysplasia to invasive carcinoma. They are considered premalignant lesionsExpand
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Use of comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry for the characterization of biodegradation and unresolved complex mixtures in petroleum
Abstract A comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC × GC/TOFMS) method has been developed for separation of a series of petroleum samples using aExpand
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Quantification of polycyclic aromatic hydrocarbons based on comprehensive two-dimensional gas chromatography-isotope dilution mass spectrometry.
Comprehensive two-dimensional gas chromatography (GCxGC) offers favourable resolution and sensitivity compared with conventional one-dimensional gas chromatography (1D-GC), as reported in manyExpand
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Comparison of column phase configurations for comprehensive two dimensional gas chromatographic analysis of crude oil and bitumen
An inverted phase (polar to non-polar) column set has been compared with a non-polar to polar column set for the GC x GC separation of petroleum hydrocarbons. This column configuration is shown toExpand
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Characterization of incense smoke by solid phase microextraction—Comprehensive two-dimensional gas chromatography (GC×GC)
Abstract Comprehensive two-dimensional gas chromatography in tandem with flame ionization detection (GC×GC-FID) was used for the qualitative fingerprint characterisation of four different types ofExpand
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Simultaneous separation of nitrofuran antibiotics and their metabolites by using micellar electrokinetic capillary chromatography
Mixtures comprising nitrofuran antibiotics (NFA) and nitrofuran metabolites (NFM) were resolved for the first time by using MEKC. Sodium deoxycholate (SDC) was chosen as the micelle‐formingExpand
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Natural orifice translumenal endoscopic drainage for pancreatic abscesses
BackgroundFew series describe endoscopic drainage of pancreatic abscesses. Abscesses are complications of pancreatitis, presenting with sepsis, peritonitis, or both. This report describes theExpand
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The advancing art and science of endoscopy.
Flexible endoscopy continues to advance encompassing treatment of a variety of diseases traditionally managed surgically. This review describes and evaluates many of these new endoscopic approachesExpand
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Comprehensive two-dimensional gas chromatography – time-of-flight mass spectrometry and simultaneous electron capture detection/nitrogen phosphorous detection for incense analysis
Abstract This study reports comprehensive two-dimensional gas chromatography hyphenated to time-of-flight mass spectrometry detection (GC × GC/TOFMS) for characterisation and identification ofExpand
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