Annals of internal medicine
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Multicenter Study Observational Study
Differentiation of Prior SARS-CoV-2 Infection and Postacute Sequelae by Standard Clinical Laboratory Measurements in the RECOVER Cohort.
There are currently no validated clinical biomarkers of postacute sequelae of SARS-CoV-2 infection (PASC). ⋯ National Institutes of Health.
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Randomized Controlled Trial Multicenter Study
Pain Reduction With Oral Methotrexate in Knee Osteoarthritis : A Randomized, Placebo-Controlled Clinical Trial.