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To test the integrity of surgeon's knots and flat square knots using 4 different suture materials.Chromic catgut, polyglactin 910, silk, and polydioxanone sutures were tied in the 2 types of knot configurations. For all sutures, a 0-gauge United States Pharmacopeia suture was used. Knots were tied by a single investigator (J.B.). The suture was soaked in 0.9% sodium chloride for 60 s and subsequently...
Background Our goals were to measure the accuracy of specialist helical computed tomography (CT) in the preoperative staging of gastric cancer, to determine the relative benefit of progressive CT system technology, and to determine the magnitude of any learning curve in radiological interpretation. Methods One hundred patients (median age, 70 years; range 27–86 years; 68 male) underwent a preoperative...
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