COVID Symptoms, Symptom Clusters, and Predictors for Becoming a Long-Hauler: Looking for Clarity in the Haze of the Pandemic.
medRxiv. 2021 Mar 5:2021.03.03.21252086. doi: 10.1101/2021.03.03.21252086. Preprint.
medRxiv. 2021.
PMID: 33688670
Free PMC article.