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COPYRIGHT 2003 International Medical News Group
SAN FRANCISCO -- Photodynamic therapy may become a reliable weapon in the arsenal against nonmelanoma skin cancers.
The therapy uses 20% aminolevulinic acid (ALA), which is applied to the skin. Over several hours, ALA is converted to protoporphyrin IX, which is a potent photosensitizer, Dr. James Spencer said at...
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