Removal of Expression of Concern: Segneanu et al. Helleborus purpurascens-Amino Acid and Peptide Analysis Linked to the Chemical and Antiproliferative Properties of the Extracted Compounds. Molecules 2015, 20, 22170-22187.

The article [1] published in Molecules was the subject of a law suit related to authorship. We previously published an Expression of Concern to highlight this fact to readers[...].