1.
Kardos P, Lehmacher W, Zimmermann A, Brandes-Schramm J, Funk P, Matthys H, et al. Effects of Pelargonium sidoides extract EPs 7630 on acute cough and quality of life – a meta-analysis of randomized, placebo-controlled trials. Multidiscip Respir Med [Internet]. 2022 Aug. 3 [cited 2025 Jun. 30];17. Available from: https://mail.mrmjournal.org/index.php/mrm/article/view/868