[1]
I. Mihailov, M. Trashlieva, D. Gospodinov, S. Valkova, C. Hajdoudova, and E. Konova, “PUVA therapy in disabling pansclerotic morphea of children.”, Eur. J. Pediat. Dermatol., vol. 9, no. 3, pp. 141-4, Sep. 1999.