https://www.sciencedirect.com/science/article/pii/S2405844023013245
Possible toxicity of chronic carbon dioxide exposure associated with face mask use, particularly in pregnant women, children and adolescents – A scoping review, HELIYON
(2023), doi: https://doi.org/10.1016/j.heliyon.2023.e14117.
Good review. See tables.