Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Comparing the efficacy and safety of direct oral anticoagulants versus Vitamin K antagonists in patients with antiphospholipid syndrome: a systematic review and meta-analysis
Effect of in-hospital treatment with angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers on mortality and complications in patients hospitalized for COVID-19: a large Spanish cohort study.
Towards long term monitoring: Seizure detection with reduced electroencephalogram channels
Evaluation of the sensitivity, accuracy and currency of the Cochrane COVID-19 Study Register for supporting rapid evidence synthesis production
Association between clinical characteristics and laboratory findings with outcome of hospitalized COVID-19 patients, a report from northeast of Iran
Calorie reformulation: A systematic review and meta-analysis examining the effect of manipulating food energy density on daily energy intake and body weight
Psychological resilience, coping behaviours, and social support among healthcare workers during the COVID-19 pandemic: A systematic review of quantitative studies
Increased persuadability and credulity in people with corpus callosum dysgenesis
BNT162b2 vaccine booster dose protection: A nationwide study from Israel
Machine learning-optimized Combinatorial MRI scale (COMRISv2) correlates highly with cognitive and physical disability scales in Multiple Sclerosis patients
The epidemiological impact of the Canadian COVID Alert App
Booster protection against Omicron infection in a highly vaccinated cohort
Cell-Mediated and Humoral Immune Response to 2-Dose SARS-CoV2 mRNA vaccination in Immunocompromised patient population
Characterizing the disproportionate burden of SARS-CoV-2 variants of concern among essential workers in the Greater Toronto Area, Canada
A Transdiagnostic Data-driven Study of Children's Behaviour and the Functional Connectome
Short-term drop in antibody titer after the third dose of SARS-CoV-2 BNT162b2 vaccine in adults
Individual variation in susceptibility or exposure to SARS-CoV-2 lowers the herd immunity threshold
Genomic risk prediction for breast cancer in older women
COVID-19: a study about the impact of coronavirus on physicians of La Plata, Argentina
Seroepidemiology among Employees of New York City Health and Hospitals during the First Wave of the SARS-CoV-2 Epidemic
TARGET-HF: Developing a model for detecting incident heart failure among symptomatic patients in general practice using routine health care data
High-Risk Endometrial Cancer Assessed by Immediate Intraoperative Frozen Sections of Sentinel Lymph Nodes - A Retrospective Study.
metaCOVID: An R-Shiny application for living meta-analyses of COVID-19 trials
The health effects in the US of quarantine policies based on predicted individual risk of severe COVID-19 outcomes
Vaccination strategies when vaccines are scarce: On conflicts between reducing the burden and avoiding the evolution of escape mutants
Association between vaccination status and reported incidence of post-acute COVID-19 symptoms in Israel: a cross-sectional study of patients infected between March 2020 and November 2021