Effect of sour tea (Hibiscus sabdariffa L.) on arterial hypertension: a systematic review and meta-analysis of randomized controlled trials Serban, Corina; Sahebkar, Amirhossein; Ursoniu, Sorin; More Serban, Corina; Sahebkar, Amirhossein; Ursoniu, Sorin; Andrica, Florina; Banach, Maciej Less Journal of Hypertension. 33(6):1119-1127, June 2015. Abstract Abstract Favorites PDF Get Content & Permissions Abstract: