1. Lead toxicity: a review
2. Blood Lead Reference Value | Lead | CDC. 2022 https://www.cdc.gov/nceh/lead/data/blood-lead-reference-value.htm.
3. Mineral commodity summaries 2023. 2023 http://pubs.er.usgs.gov/publication/mcs2023.
4. Free access data – International Lead and Zinc Study Group. https://www.ilzsg.org/free-access-data/.
5. Practical Guide to ICP-MS