Insecticide-treated net coverage in Africa: mapping progress in 2000–07 Noor, Abdisalan M. ; Mutheu, Juliette J. ; Tatem, Andrew J. ; Hay, Simon I. ; Snow, Robert W. Abstract Publication: The Lancet Pub Date: January 2009 DOI: 10.1016/S0140-6736(08)61596-2 Bibcode: 2009Lanc..373...58N