International, multicenter, partially blinded, randomised study of the efficacy of photodynamic therapy (PDT) using porfimer sodium (POR) for the ablation of high-grade dysplasia (HGD) in barrett's esophagus (BE): Results of 24-month follow-up

Bergein F. Overholt, Charles J. Lightdale, Kenneth T. Wang, Marcia Irene Canto, Steven Burdick, Hugh Barr, Norman E. Marcon, Rodger C. Haggitt, Mary P. Bronner, Shari L. Taylor,

Gastroenterology · 2003 · 58 citations · 0 references

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