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Munung NS, Che CP, Ouwe-Missi-Oukem-Boyer O, Tangwa GB.Munung NS, et al.J Empir Res Hum Res Ethics. 2011 Sep;6(3):93-7. doi: 10.1525/jer.2011.6.3.93.J Empir Res Hum Res Ethics. 2011.PMID: 21931242Review.