More specifically, {HEAD ~ the present invention} is directed to low toxicity carborane containing 5, 10, 15, 20 tetraphenylporphyrin compounds and methods for {TAIL ~ their use} particularly in boron neutron capture therapy and photodynamic therapy for the treatment of tumors of the brain, head, neck, and surrounding tissue 
More specifically , { HEAD ~ the present invention } is directed to low toxicity carborane containing 5 , 10 , 15 , 20 tetraphenylporphyrin compounds and methods for { TAIL ~ their use } particularly in boron neutron capture therapy and photodynamic therapy for the treatment of tumors of the brain , head , neck , and surrounding tissue
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