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Gastrointestinal Endoscopy Clinics of North America|April 1, 1994
Tissue sensitizersS K Heier, L M Heier
Gastroenterology|July 1, 1995
Photodynamic therapy for obstructing esophageal cancer: light dosimetry and randomized comparison with Nd:YAG laser therapyS K Heier, K A Rothman, L M Heier, et al.
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