Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Effects of Acute Normovolemic Hemodilution on Post-Cardiopulmonary Bypass Coagulation Tests and Allogeneic Blood Transfusion in Thoracic Aortic Repair Surgery: An Observational Cohort Study
The preoperative abundance of Prevotella associates with anastomotic healing after colorectal surgery.
Prevalence use of nonsteroidal anti-inflammatory drugs in the general population with COVID-19 and associated COVID-19 risk, hospitalization, severity, death, and safety outcomes: A systematic review and meta-analysis
SARS-CoV-2 new infections among health care workers after the first dose of the BNT162b2 mRNA Covid-19 Vaccine. A hospital wide cohort study
Opinion of Health Care Providers on Birth Companions in Obstetrics Department of a Tertiary Care Hospital in North India
Effectiveness of the ChAdOx1 vaccine in the elderly during SARS-CoV-2 Gamma variant transmission in Brazil
From Tabulated Data to Knowledge Graph: A Novel Way of Improving the Performance of the Classification Models in the Healthcare Data
Personal protective equipment does not sufficiently protect against virus aerosol unless combined with advanced air purification or ventilation techniques
Clinical Characteristics and Risk Factors for Myocardial Injury and Arrhythmia in COVID-19 patients
Vaccine effectiveness against COVID-19 related hospital admission in the Netherlands: a test-negative case-control study
Severe hospital events following symptomatic infection with Sars-CoV-2 Omicron and Delta variants in France, December 2021 - January 2022: a retrospective, population-based, matched cohort study
Characterization of a base-resolution common deletion region within CDKN2A gene in cancers and its biological and clinical significances
Cortical re-organization after traumatic brain injury elicited using functional electrical stimulation therapy: A case report
Large household reduces dementia mortality.
Intention of Healthcare Workers to Receive COVID-19 Vaccine: A Cross-Sectional Survey in 10 Countries in Eastern Mediterranean Region
All-cause and cause-specific mortality during and following incarceration in Brazil: a retrospective cohort study
Drug-resistant focal epilepsy in children is associated with increased modal controllability of the whole brain and epileptogenic regions
Current status and future opportunities in modeling Multiple Sclerosis clinical characteristics
DEFINING THE DIVERSITY OF HNRNPA1 MUTATIONS IN CLINICAL PHENOTYPE AND PATHOMECHANISM
Validation of a clinical and genetic model for predicting severe COVID-19
Modelling the impact of household size distribution on the transmission dynamics of COVID-19
Return to normal: COVID-19 vaccination under mitigation measures
Accessibility, inclusivity, and implementation of COVID-19 clinical management guidelines early in the pandemic: a global survey
Integration of genetic colocalizations with physiological and pharmacological perturbations identifies cardiometabolic disease genes
The Benefits and Harms of Open Notes in Mental Health: A Delphi Survey of International Experts
SARS-CoV-2 vaccination of convalescents boosts neutralization capacity against SARS-CoV-2 Delta and Omicron that can be predicted by anti-S antibody concentrations in serological assays