the lesions were photoradiated superficially or interstitially by an argon dye laser with a power of 80 to 600 mw for 10 to 40 minutes at 48 hours or more after intravenous injection of 2.5 to 5.0 mg of hematoporphyrin derivative ( photofrin ) per kilogram of body weight .
C0121300
hematoporphyrin derivative
C0729236
photofrin