Vitamin A-biofortified maize: exploiting native genetic variation for nutrient enrichment - Menkir, A.; Palacios Rojas, Natalia; Alamu, O.; Dias Paes, M.C.; Dhliwayo, T.; Maziya-Dixon, B.B.; Mengesha, W.; Ndhlela, T.; Oliveira Guimarães, P.E.; Pixley, K.; Rocheford, T. (2018)