@article{Xu2017,
author = {Xu, Mei and Lu, Yong-Ping and Hasan, Ahmed Abdallah and Hocher, Berthold},
year = {2017},
language = {eng},
copyright = {http://creativecommons.org/licenses/by-nc-nd/4.0/},
title = {Plasma ET-1 Concentrations are Elevated in Patients with Hypertension – Meta-
Analysis of Clinical Studies},
url = "http://dx.doi.org/10.17169/refubium-23802",
}