Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Sex differences in opioid and psychostimulant craving and relapse: a critical review
Deeply-Dyed Nanobead System Based Lateral Flow Assay for Rapid Point-of-Care Drug Testing
Opioid Prescribing Mediating State Policy Intervention Effects on Drug Overdose Mortality
The Case for Altruism in Institutional Diagnostic Testing
The toll of COVID-19 on African children: A descriptive analysis on the COVID-19-related morbidity and mortality among the pediatric population in Sub-Saharan Africa
Estimation of R0 for the spread of SARS-CoV-2 in Germany from Excess Mortality
Evaluating a first fully automated interview grounded in MMI methodology: results from a feasibility study
Bamlanivimab does not neutralize two SARS-CoV-2 variants carrying E484K in vitro
The impact of community asymptomatic rapid antigen testing on COVID-19 hospital admissions: a synthetic control study
Isofurans and isoprostanes as markers of delayed brain injury and mitochondrial dysfunction following aneurysmal subarachnoid hemorrhage. A prospective observational study
SARS-CoV-2 viral load distribution in different patient populations and age groups reveals that viral loads increase with age.
An external validation of the QCovid risk prediction algorithm for risk of mortality from COVID-19 in adults: national validation cohort study in England
ISARIC COVID-19 Clinical Data Report: 27 March 2022
Analysis of 472,688 severe cases of COVID-19 in Brazil showed lower mortality in those vaccinated against influenza
Infection fatality rate of COVID-19 in community-dwelling populations with emphasis on the elderly: An overview
Construction and Validation of a Nomogram Based on the Log Odds of Positive Lymph Nodes to Predict the Prognosis of Lung Neuroendocrine Tumors
Detection of two CAL.20C SARS-CoV-2 variants in Monterrey metropolitan area in Northeast Mexico
The COVID-19 Community Research Partnership: Objectives, Study Design, Baseline Recruitment, and Retention
Multiple-time measurements of multidimensional psychiatric states from immediately before the COVID-19 pandemic to one year later: A longitudinal online survey of the Japanese population
Spatial simulation of COVID-19 new cases development
Increased transmissibility of emerging SARS-CoV-2 variants is driven either by viral load or probability of infection rather than environmental stability
Multi-trait genome-wide association study identifies novel endometrial cancer risk loci that are associated with obesity or female testosterone levels
Detecting behavioural changes in human movement to inform the spatial scale of interventions against COVID-19
Linking Profiles of Pathway Activation with Clinical Motor Improvements - a Retrospective Computational Study
Determining international spread of novel B.1.1.523 SARS-CoV-2 lineage
Medical laboratory waste generation rate, management practices, and associated factors in Addis Ababa, Ethiopia