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Photodynamic therapy (PDT) for cancer in the oesophagus and bronchi with red (630 nm) light may occasionally lead to wall perforation and fistula. Therefore, we investigated the clinical use of a(More)
To date, little is known about precise time-dependent distribution and histological localization of tetra(m-hydroxyphenyl)chlorin (mTHPC) in human healthy tissues and squamous cell malignancies in(More)
PURPOSE The present study was initiated to determine the conditions under which a single photodynamic treatment would induce maximal damage to a tumor with no or at least minimal reversible damage to(More)