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BACKGROUND Chronic total occlusions (CTOs) represent the most complex and challenging coronary lesions for percutaneous coronary intervention (PCI). PCI for a CTO is a high-risk procedure and the(More)
BACKGROUND Ambulatory 24-h oesophageal pH monitoring and a short course of high dose omeprazole can be used as diagnostic modalities for GERD. However, comparative studies of the diagnostic accuracy(More)