Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Impairment in acquisition of conditioned fear in schizophrenia: a pooled analysis of four studies
Predictors of suicidal thoughts and behavior in children: results from penalized logistic regression analyses in the ABCD study
Reactogenicity of homologous and heterologous prime-boost immunization with BNT162b2 and ChAdOx1-nCoV19: a prospective cohort study
Impact of school-based malaria screening and treatment on P. falciparum infection and anemia prevalence in two transmission settings in Malawi
Associations between total MRI-visible small vessel disease burden and domain-specific cognitive abilities in a community-dwelling older-age cohort
Seroprevalence of anti-SARS-CoV-2 IgG antibodies in Juba, South Sudan: a population-based study
Transcriptome analysis of PBMCs reveals distinct immune response in the asymptomatic and re-detectable positive COVID-19 patients
Predictors and barriers for the management of non-communicable diseases among older Syrian refugees amidst the COVID-19 pandemic in Lebanon: A cross-sectional analysis of a multi-wave survey
DBS for substance use disorders? An exploratory qualitative study of perspectives of people currently in treatment
Estimation of Vaccine Efficacy for Variants that Emerge After the Placebo Group Is Vaccinated
COVID-19 Vaccine Hesitancy among Marginalized Populations in the U.S. and Canada: Protocol for a Scoping Review
Understanding the Puzzle of Primary Health-care Use: Evidence from India
Genome-wide association study of autopsy-confirmed Multiple System Atrophy identifies common variants near ZIC1 and ZIC4
Overexpression of long non coding RNA OR3A4 is associated with altered p38 signalling, morphological and phenotypic changes, and reduced immunogenicity in Barretts Oesophagus
Immortal time bias in older vs younger age groups: a simulation study with application to a population-based cohort of patients with colon cancer
Exposures to different SARS-CoV-2 spike variants elicit neutralizing antibody responses with differential specificity towards established and emerging strains
Racial Disparities in Post-Transplant Stroke and Mortality Following Stroke in Adult Cardiac Transplant Recipients in the United States
Double-blind, Randomized, Placebo-Controlled study to evaluate the Efficacy of an early treatment with Herbal Supplement based in the Prevention of Post-Traumatic Stress Disorder in emergency department (PHYTeS Study)
Weeding Through the Haze: A Survey on Cannabis Use Among People Living with Parkinson's Disease in the US
SARS-CoV-2 alpha variant: is it really more deadly? A population-level observational study.
Cell-Free Tumor DNA Dominant Clone Allele Frequency (DCAF) Is Associated With Poor Outcomes In Advanced Biliary Cancers Treated With Platinum-Based Chemotherapy
Screening and vaccination against COVID-19 to minimize school closure
Visible and real sizes of the COVID-19 pandemic in Ukraine
Comparisons of the risk of myopericarditis between COVID-19 patients and individuals receiving COVID-19 vaccines: a population-based study
Cohort study of Covid-19 vaccine effectiveness among healthcare workers in Finland, December 2020 - October 2021
Augmenting gait in a population exhibiting foot drop with adaptive functional electrical stimulation