Helmsdal, G., Kristiansen, M. F., Gaard, E. K., Eysturoy, B. J., Weihe, P., Eliasen, E. H., & Petersen, M. S. (2026). Persistent symptoms, cognitive impairment, and clinical predictors of long COVID one year after Omicron infection: A clinical case–control study from the Faroe Islands. PLoS ONE, 21(6), 1. https://doi.org/10.1371/journal.pone.0351564
Chicago Style (17th ed.) CitationHelmsdal, Gunnhild, Marnar Fríðheim Kristiansen, Eyðbjørg Klemmentsen Gaard, Barbara Joensen Eysturoy, Pál Weihe, Eina Hansen Eliasen, and Maria Skaalum Petersen. "Persistent Symptoms, Cognitive Impairment, and Clinical Predictors of Long COVID One Year After Omicron Infection: A Clinical Case–control Study from the Faroe Islands." PLoS ONE 21, no. 6 (2026): 1. https://doi.org/10.1371/journal.pone.0351564.
MLA (9th ed.) CitationHelmsdal, Gunnhild, et al. "Persistent Symptoms, Cognitive Impairment, and Clinical Predictors of Long COVID One Year After Omicron Infection: A Clinical Case–control Study from the Faroe Islands." PLoS ONE, vol. 21, no. 6, 2026, p. 1, https://doi.org/10.1371/journal.pone.0351564.