A Herbal Combination of Rhubarb Root and Fennel Seed Extract Alleviates Functional Constipation and Modulates Gut Microbiota in Adults: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial. Journal of Clinical Nutrition and Food Science, [S. l.], v. 7, n. 1, p. 40–47, 2024. DOI: 10.5281/zenodo.22339468. Disponível em: https://somatopub.com/index.php/JCNFS/article/view/466. Acesso em: 31 oct. 2026.