Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Decision curve analysis to identify optimal candidates of liver resection for intermediate-stage hepatocellular carcinoma with hepatitis B cirrhosis：A cohort study
Causal effects from non-alcoholic fatty liver disease on kidney function: A Mendelian randomization study
The influence of genetic predisposition and physical activity on risk of Gestational Diabetes Mellitus in the nuMoM2b cohort
Association between overcrowded households, multigenerational households, and COVID-19: a cohort study
High-cited favorable studies for COVID-19 treatments ineffective in large trials
Risk Factors for Infection and Health Impacts of the COVID-19 Pandemic in People with Autoimmune Diseases
Pathway-based integration of multi-omics data reveals lipidomics alterations validated in an Alzheimers Disease mouse model and risk loci carriers
Effectiveness of BNT162b2 (Comirnaty, Pfizer-BioNTech) COVID-19 booster vaccine against covid-19 related symptoms in England: test negative case-control study
Experiences of the physicians in the largest COVID-19 dedicated hospital of Bangladesh about COVID-19 and its aftermath
Living with Children and Adults' Risk of COVID-19: Observational Study
Impact of COVID-19 on healthcare access for Australian adolescents and young adults
The gut microbiome and rotavirus vaccine immunogenicity in rural Zimbabwean infants
The influence of sex, gender, age, and ethnicity on psychosocial factors and substance use throughout phases of the COVID-19 pandemic
Increased brain volume from higher cereal and lower coffee intake: Shared genetic determinants and impacts on cognition and metabolism
Pausing methotrexate improves immunogenicity of COVID-19 vaccination in patients with rheumatic diseases
Quantitative susceptibility mapping captures chronic multiple sclerosis rim lesions with greater myelin damage: Comparison with high-pass filtered phase MRI
The characteristics of breast cancer research using big data analysis techniques: recurrence gene study or utilization behavior of hospital but sample statistic error.
Examining the intersection of child protection and public housing: development, health and justice outcomes using linked administrative data
The Impact of COVID-19 Restrictions on Childhood Vaccination Uptake: A Rapid Review
Polygenic and environmental determinants of tics in the Avon Longitudinal Study of Parents and Children cohort
Can 10x cheaper, lower-efficiency particulate air filters and box fans complement High-Efficiency Particulate Air (HEPA) purifiers to help control the COVID-19 pandemic?
A comparison of ten polygenic score methods for psychiatric disorders applied across multiple cohorts
Tracking the progressive spread of the SARS-CoV-2 Omicron variant in Italy, December 2021 - January 2022
A Multi-Stage Stochastic Programming Approach to Epidemic Resource Allocation with Equity Considerations
Sensitivity of wastewater-based epidemiology for detection of SARS-CoV-2 RNA in a low prevalence setting
Sensitivity of Estimated Tacrolimus Population Pharmacokinetic Profile to Inaccurate Assumptions about Dose Timing and Absorption: An Investigation in Real-World and Simulated Data