Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Structural differences in adolescent brains can predict alcohol misuse
The impact of sexual violence in mid-adolescence on girls' mental health: evidence from a longitudinal population-based study
Emergence of first strains of Sars-CoV-2 lineage B.1.1.7 in Romania
SARS-CoV-2 infection in households with and without young children: Nationwide cohort study
ROCCA study protocol and interim analysis on safety of Sputnik V vaccine (Gam-COVID-Vac) in the Republic of San Marino: an observational study using active surveillance
Symptoms of common mental disorders and adherence to antiretroviral therapy among adults living with HIV in rural Zimbabwe: a cross-sectional study
Gender-Specific Long-Term Prognostic Values of QRS Duration, QT Interval, and QTc from Automated ECG Analysis for Mortality and Adverse Outcomes in Patients Hospitalized for Heart Failure
Use of c-peptide as a measure of cephalic phase insulin release in humans
The association between socioeconomic status and mobility reductions in the early stage of England's COVID-19 epidemic
Health behaviours and their determinants among immigrants residing in Italy
Characterization of patients that can continue conservative treatment for adenomyosis
Vaccine effectiveness and duration of protection of Comirnaty, Vaxzevria and Spikevax against mild and severe COVID-19 in the UK
Homologous and Variant-Specific Memory B-Cell and Antibody Responses after SARS-CoV-2 mRNA Vaccination
Exploration of Alzheimer's Disease MRI Biomarkers Using APOE4 Carrier Status in the UK Biobank
Copy number variant detection with low-coverage whole-genome sequencing is a viable replacement for the traditional array-CGH
A randomized controlled trial of antibody response to 2019-20 cell-based inactivated and egg-based live attenuated influenza vaccines in children and young adults
Potential Health Benefits of Eliminating Traffic Emissions in Urban Areas
Development of a multiplex real-time PCR assay for BCG and validation in a clinical laboratory
Clinical evaluation of BCL-2/XL levels pre- and post- HER2-targeted therapy
Analytical sensitivity and effectiveness of different SARS-CoV-2 testing options
High prevalence of mixed and non-vaccine HPV oncogenic types and their association with higher mortality in Black women with cervical cancer
Coronavirus (COVID-19) Spike in Georgia: An Epidemiologic Study of Data, Modelling, and Policy Implications to Understand the Gender-and Race-Specific Variations
The effect of reactive balance training on falls in daily life: an updated systematic review and meta-analysis
Development and validation of the long covid symptom and impact tools, a set of patient-reported instruments constructed from patients' lived experience
Development of an online Langerian mindfulness program for stroke survivors and caregivers
The age-stratified analytical model for the spread of the COVID-19 epidemic