"Retraction notice to: Exudation of fluorescent beta-carbolines from Oxalis tuberosa L. roots" [Phytochemistry 61(5) (2002) 539-543]
Phytochemistry (2010) - Comment
pubmed: 20109595  doi: 10.1016/j.phytochem.2009.09.013  issn: 1873-3700  issn: 0031-9422 

Harsh Pal Bais, Sang-Wook Park, Frank R. Stermitz, Kathleen M. Halligan, Jorge M. Vivanco