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Endoscopic laser therapy has been proposed as a useful tool for inducing coagulative tissue necrosis in the treatment of varicosis, vascular lesions as well as benign and malignant tumors. This method often relies on near-infrared or infrared wavelengths, where hemoglobin and water are assumed to be the main chromophores, and light sources providing output powers in the 1–100W range. For an accurate...
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