Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: A multivariable Mendelian randomisation study exploring the direct effects of nicotine on health compared with the other constituents of tobacco smoke: Implications for e-cigarette use
Epidemiological profile study of COVID-19 in West African countries: Nigeria, Senegal, Mauritania, Cape Verde and Mali
Effectiveness of Four Vaccines in Preventing SARS-CoV-2 Infection in Kazakhstan
Values and preferences of the general population in Indonesia in relation to COVID-19 self-testing: A cross-sectional survey
Pathogens detected using a syndromic molecular diagnostic platform in patients hospitalized with severe respiratory illness in South Africa in 2017
Children develop strong and sustained cross-reactive immune responses against Spike protein following SARS-CoV-2 infection, with enhanced recognition of variants of concern
Fear and death anxiety among Latin American doctors during the Covid-19 pandemic
Engineered RNA biosensors enable ultrasensitive SARS-CoV-2 detection in a simple color and luminescence assay
INTESTINAL GLUCONEOGENESIS IS DOWNREGULATED IN PAEDIATRIC PATIENTS WITH COELIAC DISEASE
Nurses' experience of using video consultation in a digital care setting and its impact on their workflow and communication
Prefrontal Cortex Definitions and Their Use in Distinguishing Pornography Addicted Juveniles
SARS-CoV-2 nucleocaspid antigen in urine of hospitalized patients with Covid-19
Evaluation of Ultrafast Wave-CAIPI 3D FLAIR in the Visualization and Volumetric Estimation of Cerebral White Matter Lesions
The patient experience of COVID-19: A qualitative investigation with symptomatic outpatients
Implementation of the 2021 molecular ESGO/ESTRO/ESP risk groups in endometrial cancer
Effect of Umbilical Cord Milking on Severity of Hypoxic Ischemic Encephalopathy in Asphyxiated Neonates A Pilot study
A Multidisciplinary Prematurity Research Cohort Study
Internal Tremors and Vibration Symptoms Among People with Post-Acute Sequelae of SARS-CoV-2: A narrative review of patient reports
Predictive factors of response to 3rd dose of COVID-19 mRNA vaccine in kidney transplant recipients
Can prognostic factors for indirect muscle injuries in elite football (soccer) players be identified using data from preseason screening? An exploratory analysis using routinely-collected periodic health examination records.
High mortality of COVID-19 associated mucormycosis in France: a nationwide retrospective study
Molecular Profiling of COVID-19 Autopsies Uncovers Novel Disease Mechanisms
Prevalence of persistent symptoms in children during the COVID-19 pandemic: evidence from a household cohort study in England and Wales
Machine Learning techniques for the diagnosis of Schizophrenia based on Event Related Potentials
Development of a core measurement set for research in degenerative cervical myelopathy: a study protocol (AO Spine RECODE-DCM CMS)
Evidence for lower threshold for diagnosis of hypertension: inferences from an urban-slum cohort in India