Olive (Olea europaea) leaf extract effective in patients with stage-1 hypertension: comparison with Captopril.
Phytomedicine. 2011 Feb 15;18(4):251-8. doi: 10.1016/j.phymed.2010.08.016. Epub 2010 Oct 30.
Phytomedicine. 2011.
PMID: 21036583
Clinical Trial.