This segment on Photodynamic Therapy from the February 5, 1999 Discovery News features University of Pennsylvania's Dr. Joseph Friedberg and Dr. Stephen Hahn.
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|Discovery News: Photodynamic Therapy (T1)
Sep 2, 2014 - For actinic keratoses, photodynamic therapy is associated with improved response compared with cryotherapy, according to a meta-analysis published online Aug. 27 in JAMA Dermatology.