Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: The Understanding persistent Pain Where it ResiDes study of low back pain cohort profile
Amputation in Kingdom of Saudi Arabia: Etiology, Characteristics and Clinical status from a Large Tertiary Rehabilitation Center
Human cytomegalovirus strain diversity and dynamics reveal the donor lung as a major contributor after transplantation
Immunosequencing of the T-cell receptor repertoire reveals signatures specific for diagnosis and characterization of early Lyme disease
External validation of a clinical decision rule and neuroimaging rule-out strategy for exclusion of subarachnoid haemorrhage in the emergency department: A prospective observational cohort study
Social predictors of food insecurity during the stay-at-home order due to the COVID-19 pandemic in Peru. Results from a cross-sectional web-based survey
Mental and social wellbeing and the UK Coronavirus Job Retention Scheme: evidence from nine longitudinal studies
Using proper mean generation intervals in modelling of COVID-19
Amyloid deposition in granuloma of tuberculosis patients: A pilot study
Poor neutralization and rapid decay of antibodies to SARS-CoV-2 variants in vaccinated dialysis patients
Predicting EGFR mutation status in lung adenocarcinoma presenting as ground-glass opacity: utilizing radiomics model in clinical translation
Genetic and neurophysiological biomarkers of neuroplasticity inform post-stroke language recovery
Diagnostic accuracy of age-adjusted D-dimer for pulmonary embolism among Emergency Department patients with suspected SARS-COV-2: A Canadian COVID-19 Emergency Department Rapid Response Network study
ANTI - SARS-CoV-2 ANTIBODY SCREENING IN HEALTH CARE WORKERS AND ITS CORRELATION WITH CLINICAL PRESENTATION
The course of COVID-19 in allergic rhinitis patients receiving allergen-specific immunotherapy
Long-term air pollution and other risk factors associated with COVID-19 at the census-tract-level in Colorado
Association of assisted reproductive technology with long-term offspring cardiometabolic health: a multi-cohort study
Mass Testing with Contact Tracing Compared to Test and Trace for Effective Suppression of COVID-19 in the UK: A rapid review
Polygenic adaptation is not a major driver of disparities in disease mortality across global populations
The benefits and harms of adjuvant chemotherapy for non-small cell lung cancer in patients with major comorbidities: A simulation study
Adverse effects of antipsychotic drugs on metabolism depend on drug dosing and feeding times
Is it time to ACT? A qualitative study of the acceptability and feasibility of Acceptance and Commitment Therapy for adolescents with Chronic Fatigue Syndrome
Post-acute sequelae of COVID-19 and adverse psychiatric outcomes: an etiology and risk systematic review protocol
The changing impact of vaccines in the COVID-19 pandemic
Evolution of COVID-19 symptoms during the first 9 months after illness onset
Maternal cigarette smoking and cleft lip and palate: A systematic review and meta-analysis