Refer to articles: Gupta, S.; Zaman, M.; Fatima, S.; Shahzad, B.; Brazier, A.K.M.; Moran, V.H.; Broadley, M.R.; Zia, M.H.; Bailey, E.H.; Wilson, L.; et al. The Impact of Consuming Zinc-Biofortified Wheat Flour on Haematological Indices of Zinc and Iron Status in Adolescent Girls in Rural Pakistan: A Cluster-Randomised, Double-Blind, Controlled Effectiveness Trial. Nutrients 2022, 14, 1657. https://doi.org/10.3390/nu14081657 Gupta S, Zaman M, Fatima S, et al. The Impact of Consuming Zinc-Biofortified Wheat Flour on Haematological Indices of Zinc and Iron Status in Adolescent Girls in Rural Pakistan: A Cluster-Randomised, Double-Blind, Controlled Effectiveness Trial. Nutrients. 2022;14(8):1657. Published 2022 Apr 15. doi:10.3390/nu14081657 Lowe NM, Zaman M, Moran VH, et al. Biofortification of wheat with zinc for eliminating deficiency in Pakistan: study protocol for a cluster-randomised, double-blind, controlled effectiveness study (BIZIFED2). BMJ Open. 2020;10(11):e039231. Published 2020 Nov 18. doi:10.1136/bmjopen-2020-039231