| http://www.w3.org/ns/prov#value | - Any of these factors may be an issue,as the two populations studied in the two studies arequite different ??? relatively affluent, urban and healthybased on medical history, physical examination, chestradiography and blood tests including HIV, in this study,relatively deprived and rural with no in depth evaluationof their health in the Legesse et al. study.
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