Study Title:
Crataegus oxyacantha (Hawthorn). Monograph.
Study Abstract
http://www.altmedrev.com/publications/15/2/164.pdf
Study Information
Crataegus oxyacantha (Hawthorn). Monograph.
Altern Med Rev.
2010 July
Full Study
https://www.ncbi.nlm.nih.gov/pubmed/20807002