Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Lower RNA expression of ALDH1A1 distinguishes the favorable risk group in acute myeloid leukemia
Individual treatment effect estimation in the presence of unobserved confounding using proxies: a cohort study in stage III non-small cell lung cancer
Impact of different diagnostic measures on drug class association with dementia progression risk: a longitudinal prospective cohort study
Genomic and Virological Characterization of SARS-CoV-2 Variants in a Subset of Unvaccinated and Vaccinated U.S. Military Personnel
Behavioral Markers for Deficits in Speed of Processing in Cerebrovascular Disease
Elucidating the genetic architecture of DNA methylation to identify promising molecular mechanisms of disease
Antibody kinetics to SARS-CoV-2 at 13.5 months, by disease severity
Sensitive detection of SARS-CoV-2 seroconversion by flow cytometry reveals the presence of nucleoprotein-reactive antibodies in unexposed individuals
Convalescent plasma for preventing critical illness in COVID-19: A phase 2 trial and immune profile
Epitope-resolved serology test differentiates the clinical outcome of COVID-19 and identifies defects in antibody response in SARS-CoV-2 variants
Impact of training modules on physicians perspective of COVID-19: An online survey
Combined association of obesity and other cardiometabolic diseases with severe COVID-19 outcomes: a nationwide cross-sectional study of 21,773 Brazilian adult and elderly inpatients
Transmission, infectivity, and antibody neutralization of an emerging SARS-CoV-2 variant in California carrying a L452R spike protein mutation
Leg ulcers are associated with an increased risk of Sickle eye disease in Lagos.
Making maternity and neonatal care personalised in the COVID-19 pandemic: results from the Babies Born Better Survey in the UK and the Netherlands
A genetically-informed study disentangling the relationships between tobacco smoking, cannabis use, alcohol consumption, substance use disorders and respiratory infections, including COVID-19
Radiological follow-up of adults hospitalised with pneumonia and SARS-CoV-2 infection, in Bristol UK, during the COVID19 pandemic
The U-shaped association of serum iron level with COVID-19 severity: Is iron a potential therapeutic target?
A genomic epidemiology study of multidrug-resistant Escherichia coli, Klebsiella pneumoniae and Acinetobacter baumannii in two intensive care units in Hanoi, Vietnam
Identifying risk factors associated with death among patients with MDR-TB in KwaZulu-Natal, South Africa: an illustration using Weibull parametric model.
Prune intake ameliorates chronic constipation symptoms and causes little discomfort from diarrhea and loose stools: A randomized placebo-controlled trial
Impact of antibiotics to off-target infant gut microbiota and resistance genes in cohort studies
Bias amplification of unobserved confounding in pharmacoepidemiological studies using indication-based sampling: there is no free lunch in restricting the sample to those with a particular drug-indication
Accuracy and Glycemic Efficacy of Continuous Glucose Monitors in Critically Ill COVID-19 Patients: a Retrospective Study
The United States COVID-19 Forecast Hub dataset
Causal associations between body fat accumulation and COVID-19 severity: A Mendelian randomization study