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BACKGROUND Dietary questionnaire studies have suggested that patients with oesophageal adenocarcinoma are deficient in antioxidants. It is not known whether the same holds true for patients with the precursor lesion, Barrett's oesophagus. AIMS To evaluate the hypothesis that patients with Barrett's oesophagus are deficient in antioxidants compared with(More)
"PK–3 " has become a rallying cry among many developmental scientists and educators. A central component of this movement is alignment between preschool and the early elementary grades. Many districts have made policy changes designed to promote continuity in children's educational experiences as they progress from preschool through third grade— to provide(More)
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