Authors: Moesta, KT Ebert, B Handke, T Nolte, D Nowak, C Haensch, WE Pandey, RK Dougherty, TJ Rinneberg, H Schlag, PM

Citation: Kt. Moesta et al., Protoporphyrin IX occurs naturally in colorectal cancers and their metastases, CANCER RES, 61(3), 2001, pp. 991-999