Ranzani O, Alari A, Olmos S, Mila C, Rico A, Ballester J, Basagana X, Chaccour C, Dadvand P, Duarte-Salles T, Foraster M, Nieuwenhuijsen M, Sunyer J, Valentin A, Kogevinas M, Lazcano U, Avellaneda-Gomez C, Vivanco R, Tonne C. Long-term exposure to air pollution and severe COVID-19 in Catalonia: a population-based cohort study. Nat Commun. 2023 May 24;14(1):2916. doi: 10.1038/s41467-023-38469-7
Fondell E, Balter O, Rothman KJ. Dietary intake and supplement use of vitamins C and E and upper respiratory tract infection. J Am Coll Nutr. 2011 Aug 1;30(4):248-58.
Gray-Little B, Williams VSL, Hancock TD. An item response theory analysis of the Rosenberg self-esteem scale. Pers Soc Psychol Bull. 1997;23(5):443-51. doi: 10.1177/0146167297235001