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OBJECTIVE To evaluate prospectively cervical length measurements and fetal fibronectin detection as predictors of spontaneous preterm delivery in an unselected population of twin pregnancies. METHODS Transvaginal ultrasound assessments of cervical length were performed serially at 18, 24, 28 and 32 weeks' gestation. Receiver-operating characteristic(More)
The pathophysiology of impaired exercise tolerance in patients with cystic fibrosis (CF) is not completely understood. The objective of this study was to compare exercise ability (at clinical and cellular levels) and resting energy expenditure in female athletes with CF compared with matched control subjects. Sixteen subjects and matched control subjects(More)
Acute dissection of the ascending aorta as a late complication of coronary artery bypass grafting has been rarely reported. We report a case of a 61 year-old man in whom acute dissection of the ascending aorta developed 2 years after coronary artery bypass grafting. The ascending aorta was replaced with a Dacron graft, and an island of the aortic wall, on(More)
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