Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Ultrasound Guided Brachial Plexus Block in Upper Extremity Surgeries: Experiences from a Tertiary Care Hospital of Bangladesh
Long-term Complications of Unintentional Dural Puncture During Labor Epidural Analgesia: A Case-Control Study.
Economic burden and catastrophic health expenditure associated with COVID-19 hospitalisations in Kerala, South India
Hospitals That Report Severe Sepsis and Septic Shock Bundle (SEP-1) Compliance Have More Structured Sepsis Performance Improvement
Representation of Racial and Ethnic Minority Populations in Dementia Prevention Trials: A Systematic Review
Meta-Analysis of Adenoviral p53 Gene Therapy Clinical Trials in Recurrent Head and Neck Squamous Cell Carcinoma
USA Winter 2021 CoVID-19 Resurgence Post-Christmas Update
Focal amplification of FAL1, an oncogenic enhancer lncRNA mapping to chromosome 1q is associated with dysregulated BMI1/p21 axis and an adverse event in intracranial ependymomas
Evaluation of different diffusion-weighted image techniques for head and neck radiation treatment: phantom and volunteer studies
Coronavirus-19 and coagulopathy: A Systematic Review
PREVALENCE THRESHOLD THAT SHOULD BE APPLIED IN SCHISTOSOMIASIS MASS DRUG ADMINISTRATION PRGROGRAMMES: SYSTEMATIC REVIEW AND META-ANALYSIS
Suboptimal HIV status ascertainment at antenatal clinics and the impact on HIV prevalence estimates.
Identifying intergenerational risk factors for ADHD symptoms using polygenic scores in the Norwegian Mother, Father and Child Cohort
Uptake of Covid-19 preventive measures among 10 immigrant ethnic groups in Norway
CLOT STIFFNESS MEASURED BY SEER SONORHEOMETRY AS A MARKER OF POOR PROGNOSIS IN HOSPITALIZED COVID-19 PATIENTS
Risk quantification for SARS-CoV-2 infection through airborne transmission in university settings
Effect of reduction in brain amyloid levels on change in cognitive and functional decline in randomized clinical trials: an updated instrumental variable meta-analysis
How do growth and nutrition explain social inequalities in lung function in children with cystic fibrosis? A longitudinal mediation analysis using interventional disparity effects with time-varying mediators and intermediate confounders.
A Composite Ranking of Risk Factors for COVID-19 Time-To-Event Data from a Turkish Cohort
Are psychiatric disorders risk factors for COVID-19 susceptibility and severity? a two-sample, bidirectional, univariable and multivariable Mendelian Randomization study
Can polygenic risk scores contribute to cost-effective cancer screening? A systematic review
Impact of COVID-19 in Individuals with Autism Spectrum Disorders: Analysis of a National Private Claims Insurance Database
Reduced dementia incidence following varicella zoster vaccination in Wales 2013--2020
Agreement between commercially available ELISA and in-house Luminex SARS-CoV-2 antibody immunoassays
Early but not late convalescent plasma is associated with better survival in moderate-to-severe COVID-19
Genetic risk estimates for offspring of patients with Stargardt disease