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Were E, Wools-Kaloustian K, Baliddawa J, Ayuo PO, Sidle J, Fife K.Were E, et al.East Afr Med J. 2008 Jul;85(7):326-33. doi: 10.4314/eamj.v85i7.9650.East Afr Med J. 2008.PMID: 19133421