A dose-finding study of photodynamic therapy (PDT) with Metvix in basal cell carcinoma (BCC). - Basset,S.N.; Bachmann,I.; Pavel,S.; Saksela,S.; Johnsson,M.; Ros,A.M.; Paredes,B.; Larkö,O. (J Eur Acad Derm Venereo, 2000)