5. Structure, function, and biosynthesis of nickel‐dependent enzymes, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7184782/
6. Arsenic, Boron, Nickel, Silicon, and Vanadium, https://www.ncbi.nlm.nih.gov/books/NBK222322/
7. Nickel, Ni (µg), https://fdc.nal.usda.gov/fdc-app.html#/?component=1146
8. Stainless Steel Leaches Nickel and Chromium into Foods During Cooking, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4284091/
9. Systemic nickel: the contribution made by stainless-steel cooking utensils, https://pubmed.ncbi.nlm.nih.gov/7600777/
10. Dietary Intake of Cadmium, Chromium, Copper, Nickel, and Lead through the Consumption of Meat, Liver, and Kidney and Assessment of Human Health Risk in Birjand, Southeast of Iran, https://pubmed.ncbi.nlm.nih.gov/30729389/
11. Relationship between serum nickel and homocysteine concentration in hemodialysis patients, https://pubmed.ncbi.nlm.nih.gov/18465090/
12. Dietary intake of nickel and zinc by young children–results from food duplicate portion measurements in comparison to data calculated from dietary records and available data on levels in food groups, https://pubmed.ncbi.nlm.nih.gov/19486828/
13. Nickel deficiency alters liver lipid metabolism in rats, https://pubmed.ncbi.nlm.nih.gov/8857506/
14. Nickel allergy and allergic contact dermatitis: A clinical review of immunology, epidemiology, exposure, and treatment, https://onlinelibrary.wiley.com/doi/full/10.1111/cod.13327
15. Assessment of metal content and toxicity of leachates from teapots, https://pubmed.ncbi.nlm.nih.gov/10209881/
16. Characterization in Helicobacter pylori of a Nickel Transporter Essential for Colonization That Was Acquired during Evolution by Gastric Helicobacter Species, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5140060/
17. Comprehensive mapping of the Helicobacter pylori NikR regulon provides new insights in bacterial nickel responses, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5385501/
18. Nickel free-diet enhances the Helicobacter pylori eradication rate: a pilot study, https://pubmed.ncbi.nlm.nih.gov/24595654/
19. Research progress on the effects of nickel on hormone secretion in the endocrine axis and on target organs, https://pubmed.ncbi.nlm.nih.gov/33581486/
20. A Review of Metal Exposure and Its Effects on Bone Health, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6323513/
21. Metal nickel exposure increase the risk of congenital heart defects occurrence in offspring, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6504320/
22. Chronic dietary exposure to nickel from selected foods consumed in Belgium, https://pubmed.ncbi.nlm.nih.gov/33151820/