Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Diagnosis and treatment of opioid use disorder in a South African private sector medical insurance scheme: a cohort study
The Milano Sforza Registers
Cognitive reserve in a sample of Cuban older adults with Mild Cognitive Impairment
SARS-CoV-2 genome sequencing from COVID-19 in Ecuadorian patients: a whole country analysis.
Targeting Versus Tailoring Educational Videos for Encouraging Deceased Organ Donor Registration in Black-Owned Barbershops
USING PHYLOGENETICS TO ACCURATELY INFER HIV-1 TRANSMISSION DIRECTION
Development of ADAF screening tool for emotional and coping problems in cancer patients
MassMark: A Highly Scalable Multiplex NGS-based Method for High-Throughput, Accurate and Sensitive Detection of SARS-CoV-2 for Mass Testing
Impact on alcohol selection and purchasing of increasing the proportion of non-alcoholic versus alcoholic drinks: randomised controlled trial
A Hidden Structural Variation in a Known IRD Gene: A Cautionary Tale of Two New Disease Candidate Genes
Cohort Profile: A national prospective cohort study of SARS-CoV-2 pandemic outcomes in the U.S. - The CHASING COVID Cohort Study
Effectiveness and durability of the mRNA vaccine-induced SARS-CoV-2-specific humoral and cellular immunity in severe asthma patients on biological therapy
Psychosis spectrum symptoms among individuals with schizophrenia-associated copy number variants and evidence of cerebellar correlates of symptom severity
SARS-CoV2- infection as a trigger of humoral response against apolipoprotein A-1
Addressing child health inequity through case management of under-five malaria in Nigeria: A model-based extended cost-effectiveness analysis
Tocilizumab Effect in COVID-19 Hospitalized Patients: A Systematic Review and Meta-Analysis of Randomized Control Trials
Tryptophan and arginine metabolism is significantly altered at the time of admission in hospital for severe COVID-19 patients: findings from longitudinal targeted metabolomics analysis
Development and validation of a productive liquid chromatography-tandem mass spectrometry method for the analysis of androgens, estrogens, glucocorticoids and progestagens in human serum
Founder effect contributes to the unique pattern of SARS-CoV-2 variant B.1.1.519 emergence in Alaska
Factors associated with COVID-19 vaccine acceptance and hesitancy among residents of Northern California jails
Longitudinal testing for SARS-CoV-2 RNA in day care centers in Hesse, Germany, during increased local incidence and with VOC Alpha as dominant variant: Results of the SAFE KiDS 2 and SAFE KiDS 3 study
A systematic review and meta-analysis of Long COVID symptoms
Inferring age-specific differences in susceptibility to and infectiousness upon SARS-CoV-2 infection based on Belgian social contact data
Stable Sparse Classifiers predict cognitive impairment from gait patterns
Trait Mindful Nonreactivity and Nonjudgment Prospectively Predict of COVID-19 Health Protective Behaviors Across a Two-Month Interval in a USA Sample
COVID-19 in hospitalized patients in 4 hospitals in San Isidro, Buenos Aires, Argentina