Authors: Elizabeth M Widen; Margaret E Bentley; Dumbani Kayira; Charles S Chasela; Denise J Jamieson; Martin Tembo; Alice Soko; Athena P Kourtis; Valerie L Flax; Sascha R Ellington; Charles M van der Horst; Linda S Adair Journal: J Nutr Date: 2013-05-22 Impact factor: 4.798