Ali R, Irfan M, Akram U, et al. Efficacy of Natural Formulation Containing Activated Charcoal, Calcium Sennosides, Peppermint Oil, Fennel Oil, Rhubarb Extract, and Purified Sulfur (Nucarb®) in Relieving Constipation. Cureus 2021;13(10):e18419.
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