UZAIRU, A.; ABDULLAHI, M.S.; HARRISON, G.F.S.; BALARABE, M.L.; OKUNOLA, O.J. Screening of Tomatoes and Onions for Trace Metals from Irrigated Farmlands on the Bank of River Challawa, Nigeria. Pakistan Journal of Nutrition, [S. l.], v. 7, n. 2, p. 308–311, 2008. DOI: 10.3923/pjn.2008.308.311. Disponível em: https://pjnonline.org/pjn/article/view/638. Acesso em: 8 jul. 2025.