Mayinger B, Neumann F, Kastner C, Degitz K, Hahn E, Schwab D. Early detection of premalignant conditions in the colon by fluorescence endoscopy using local sensitization with hexaminolevulinate. Endoscopy. 2008;40:106-9 pubmed publisher
..6 mmol HAL. Administration of HAL enema induces selective lesion fluorescence and increases the lesion detection rate in patients with colorectal adenoma and early carcinoma. ..