Tinkov A.А. et al. 2020. Measuring changes in serum, hair and urinary levels of cobalt, copper, manganese, and iron in obesity and hypertention using the ICP-MS technique. Patologicheskaya Fiziologiya i Eksperimental’naya Terapiya (Pathological physiology and experimental therapy). 64, 2 (May 2020), 89–95. DOI:https://doi.org/10.25557/0031-2991.2020.02.89-95.