Die Kur - Kraft für Körper, Seele und den Alltag

2021, The role of micronutritients in the comprehensive rehabilitation of patients with the novel coronavirus infection COVID-19.

Marchenkova LA, Makarova EV, Yurova OV.

Vopr. Pitan 2021;90:40-49. doi: 10.33029/0042-90-2-40. Epub 2021 Mar 11.

https://pubmed.ncbi.nlm.nih.gov/34019347/