Rene C. Krieg

Formation of 5-aminolevulinic-acid (ALA) induced protoporphyrin IX (PPIX) and photodynamic effectiveness in human urothelial cell lines

Herbert Stepp, Raphaela Waidelich, Ruth Knuechel, 2001, European Conference on Biomedical Optics.

5-aminolevulinic acid (ALA) mediated photodynamic therapy of bladder cancer cell lines

Ferdinand Hofstaedter, Herbert Stepp, Ruth Knuechel, 1999, European Conference on Biomedical Optics.

Differential accumulation and organ-specific metabolism of 5-aminolevulinic acid between cancer cells and normal epithelial and stromal cells

Herbert Stepp, Helmut Messmann, Ruth Knuechel, 2001, European Conference on Biomedical Optics.