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M Chinnappan S, George A, Ashok G, Choudhary YK.M Chinnappan S, et al. Among authors: ashok g.BMC Complement Med Ther. 2020 Feb 5;20(1):31. doi: 10.1186/s12906-020-2814-z.BMC Complement Med Ther. 2020.PMID: 32024514Free PMC article.