Contamination levels, occurrence pattern and associated risk of organophosphate pesticide residues in spices and herbs sold in southern Nigeria. Journal of the Nigerian Society of Physical Sciences, [S. l.], v. 8, n. 1, p. 3065, 2026. DOI: 10.46481/jnsps.2026.3065. Disponível em: https://journal.nsps.org.ng/index.php/jnsps/article/view/3065. Acesso em: 18 feb. 2026.