Journal Article
                        
                        Hurst, Rachel, Edwin WP  Siyame, Scott D Young, Allan DC  Chilimba, Edward JM  Joy, Colin R Black, Louise E Ander, Michael J Watts, Benson  Chilima, and Jellita  Gondwe.  
"Soil-type influences human selenium status and underlies widespread selenium deficiency risks in Malawi." (2013) Scientific reports.