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Hamburger M, Riese U, Graf H, Melzig MF, Ciesielski S, Baumann D, Dittmann K, Wegner C. Constituents in evening primrose oil with radical scavenging, cyclooxygenase, and neutrophil elastase inhibitory activities. J Agric Food Chem. 2002 Sep 25;50(20):5533–8. doi: 10.1021/jf025581l. PMID: 12236675. |