1. Crataegus special extract WS 1442 induces an endothelium-dependent, NO-mediated vasorelaxation via eNOS-phosphorylation at serine 1177. (Quelle: Brixius K, Willms S, Napp A, Tossios P, Ladage D, Bloch W, Mehlhorn U, Schwinger RH., Cardiovasc Drugs Ther., 2006 Jun;20(3):177-84.)
  2. A randomised double blind placebo controlled clinical trial of a standardised extract of fresh Crataegus berries (Crataegisan) in the treatment of patients with congestive heart failure NYHA II. (Quelle: Degenring FH, Suter A, Weber M, Saller R., Phytomedicine, 2003;10(5):363-9)
  3. Interaction study between digoxin and a preparation of hawthorn (Crataegus oxyacantha). (Quelle: Tankanow R, Tamer HR, Streetman DS, Smith SG, Welton JL, Annesley T, Aaronson KD, Bleske BE., J Clin Pharmacol, 2003 Jun;43(6):637-42)
  4. Hypotensive effects of hawthorn for patients with diabetes taking prescription drugs: a randomised controlled trial. (Quelle: Walker AF, Marakis G, Simpson E, Hope JL, Robinson PA, Hassanein M, Simpson HC., Br J Gen Pract., 2006 Jun;56(527):437-43.)