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Bhutia E, Hemal A, Yadav TP, Ramesh KL.Bhutia E, et al. Among authors: ramesh kl.Afr Health Sci. 2014 Jun;14(2):408-13. doi: 10.4314/ahs.v14i2.17.Afr Health Sci. 2014.PMID: 25320591Free PMC article.