Serban, C; Sahebkar, A; Ursoniu, S; Andrica, F; Banach, M (June 2015). "Effect of Sour Tea (Hibiscus Sabdariffa L.) on Arterial Hypertension: A Systematic Review and Meta-Analysis of Randomized Controlled Trials". Journal of Hypertension33 (6): 1119–27. doi:10.1097/HJH.0000000000000585. பப்மெட்:25875025.
Boushehri, SN; Karimbeiki, R; Ghasempour, S; Ghalishourani, SS; Pourmasoumi, M; Hadi, A; Mbabazi, M; Pour, ZK et al. (February 2020). "The Efficacy of Sour Tea (Hibiscus Sabdariffa L.) on Selected Cardiovascular Disease Risk Factors: A Systematic Review and Meta-Analysis of Randomized Clinical Trials". Phytotherapy Research34 (2): 329–39. doi:10.1002/ptr.6541. பப்மெட்:31943427.
Serban, C; Sahebkar, A; Ursoniu, S; Andrica, F; Banach, M (June 2015). "Effect of Sour Tea (Hibiscus Sabdariffa L.) on Arterial Hypertension: A Systematic Review and Meta-Analysis of Randomized Controlled Trials". Journal of Hypertension33 (6): 1119–27. doi:10.1097/HJH.0000000000000585. பப்மெட்:25875025.
Boushehri, SN; Karimbeiki, R; Ghasempour, S; Ghalishourani, SS; Pourmasoumi, M; Hadi, A; Mbabazi, M; Pour, ZK et al. (February 2020). "The Efficacy of Sour Tea (Hibiscus Sabdariffa L.) on Selected Cardiovascular Disease Risk Factors: A Systematic Review and Meta-Analysis of Randomized Clinical Trials". Phytotherapy Research34 (2): 329–39. doi:10.1002/ptr.6541. பப்மெட்:31943427.