Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Lack of Accuracy of the GRACE score to Predict Coronary Anatomy in Acute Coronary Syndromes.
Characterisation of the mechanism by which a nonsense variant in RYR2 results in ventricular arrhythmia
Post-vaccination SARS-CoV-2 infections and incidence of the B.1.427/B.1.429 variant among healthcare personnel at a northern California academic medical center
An observational study of the association between COVID-19 vaccination rates and entry into the "Million Dollar Vax" competition
Emergency department utilization and hospitalizations for ambulatory care sensitive conditions among unattached people actively seeking a primary care provider during the COVID-19 pandemic: a retrospective cohort study
Genome Alert!: a standardized procedure for genomic variant reinterpretation and automated genotype-phenotype reassessment in clinical routine
Results Availability and Timeliness of Registered COVID-19 Clinical Trials: A Cross-Sectional Study
International risk of the new variant COVID-19 importations originating in the United Kingdom
Characterization of mitochondrial DNA quantity and quality in the human aged and Alzheimer's disease brain
Weighting of risk factors for low birth weight: A linked routine data cohort study in Wales, UK.
Automated measurement of the foveal avascular zone in healthy eyes on Heidelberg Spectralis Optical Coherence Tomography Angiography
Self-management of depression and anxiety amongst frail older adults in the United Kingdom: a qualitative study
Diagnosis and treatment of opioid use disorder in a South African private sector medical insurance scheme: a cohort study
A Phenomenological Analysis of COVID-19
Epidemiological dynamics of SARS-CoV-2 VOC Gamma in Rio de Janeiro, Brazil
Chagas disease and SARS-CoV-2 coinfection does not lead to worse in-hospital outcomes: results from the Brazilian COVID-19 Registry
Overlapping Time Scales Obscure Early Warning Signals of the Second COVID-19 Wave
Incidence and Outcomes of Pulmonary embolism among hospitalized COVID-19 patients
Polygenic Risk Prediction using Gradient Boosted Trees Captures Non-Linear Genetic Effects and Allele Interactions in Complex Phenotypes
Meta-analysis of rapid direct-to-PCR assays for the qualitative detection of SARS-CoV-2
Systematic review of the association between ABO blood type and COVID-19 incidence and mortality
In schizophrenia, the effects of the IL-6/IL-23/Th17 axis on health-related quality of life and disabilities are partly mediated by generalized cognitive decline and the symptomatome.
Breakthrough Infections with SARS-CoV-2 in Vaccinated Students After a Festive Event - Identification of Risk Factors
Cerebrospinal fluid neurofilament light chain differentiates behavioural variant frontotemporal dementia progressors from phenocopy non-progressors
Long-term Improvement of Air Quality Associated with Lung Function Benefits in Chinese Young Adults: A Quasi-experiment Cohort Study
Characterizing the countrywide epidemic spread of influenza A(H1N1)pdm09 virus in Kenya between 2009 and 2018