Magnesium. Fact Sheet for Health Professionals. ods.od.nih.gov/factsheets/Magnesium-HealthProfessional.
249
United States Environmental Protection Agency: Water on tap: what you need to know. nepis.epa.gov/Exe/ZyPDF.cgi/P1008ZP0.PDF?Dockey=P1008ZP0.PDF.
250
Из письма бактериолога независимой лаборатории «ИНВИТРО» Василия Литвинова.
251
United States Environmental Protection Agency: Home water testing. epa.gov/sites/production/files/2015-11/documents/2005_09_14_faq_fs_homewatertesting.pdf.
