Source

Literatura:
Dahmer S, Scott E. : Health effects of hawthorn. University of California at Irvine Medical Center, Orange, California
Am Fam Physician.
Feb 15;81(4):465-468
http://www.umm.edu/health/medical/altmed/herb/hawthorn
Walker AF, Marakis G, Simpson E, et al. Hypotensive effects of hawthorn for patients with diabetes taking prescription drugs: a randomised controlled trial.
Br J Gen Pract
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https://www.herbal-supplement-resource.com/hawthorn-tree.html