Photodynamic therapy versus cryosurgery of basal cell carcinomas; results of a phase III randomized clinical trial

An open, prospective, randomized, Phase III clinical trial has been conducted in the treatment of histopathologically verified basal cell carcinomas (BCCs). The two treatment arms were photodynamic therapy (PDT) with topically applied o^aminolevulinic acid (ALA) and cryosurgery.

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