Deposition of heavy metals on green leafy vegetables sold on roadsides of Riyadh City, Saudi Arabia

Al Jassir, M. S., Shaker, A., & Khaliq, M. A. (2005). Deposition of heavy metals on green leafy vegetables sold on roadsides of Riyadh City, Saudi Arabia. Bulletin of Environmental Contamination and Toxicology, 75(5), 1020–1027. https://doi.org/10.1007/s00128-005-0851-4