Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Hemodynamic Differences Between Women and Men with Elevated Blood Pressure in China: A Non-Invasive Assessment of 45,082 Adults Using Impedance Cardiography
Hemoglobin Interacts with Endothelial Nitric Oxide Synthase to Regulate Vasodilation in Human Resistance Arteries
Deep Learning for Predicting Cognitive Gap as a Reliable Biomarker of Dementia
Tumour volume distribution can yield information on tumour growth and tumour control
ai-corona: Radiologist-Assistant Deep Learning Framework for COVID-19 Diagnosis in Chest CT Scans
More rapid, robust and sustainable antibody responses to mRNA COVID-19 vaccine in convalescent COVID-19 individuals
Insulin-like growth factor 2 hypermethylation in peripheral blood leukocytes and colorectal cancer risk and prognosis: a propensity score analysis of multiple-center populations
Assessing the heterogeneity in the transmission of infectious diseases from time series of epidemiological data
Lesion Normalization and Supervised Learning in Post-Traumatic Seizure Classification with Diffusion MRI
Global-scale analysis and longitudinal assessment of COVID-19 incidence in the first six months
A fast and sensitive absolute quantification assay for the detection of SARS-CoV-2 peptides using Parallel Reaction Monitoring Mass Spectrometry
Humoral and cellular immune responses and their kinetics vary in dependence of diagnosis and treatment in immunocompromised patients upon COVID-19 mRNA vaccination.
SARS-CoV-2 evolution and immune escape in immunocompromised patients treated with exogenous antibodies
Comparative quantitative analysis of SARS-CoV-2 Spike neutralizing antibody titers following  two anti COVID-19 vaccines in India
The effect of the COVID-19 lockdown on mental health care use in South Africa: an interrupted time series analysis
Variance-quantitative trait loci enable systematic discovery of gene-environment interactions for cardiometabolic serum biomarkers
How did COVID-19 measures impact sexual behaviour and access to STI&HIV services in Panama? Results from a national cross-sectional online survey
SARS-CoV-2 seroprevalence in Germany - a population based sequential study in five regions
Effectiveness of BNT162b2 and ChAdOx1 against SARS-CoV-2 household transmission - a prospective cohort study in England
Interpreting Wastewater SARS-CoV-2 Results using Bayesian Analysis
Geographic barriers to establishing a successful hospital referral system in rural Madagascar
COVID-19 vaccines dampen genomic diversity of SARS-CoV-2: Unvaccinated patients exhibit more antigenic mutational variance
Characteristics of Long Covid: findings from a social media surve
Predictive Model of Risk Factors of High Flow Nasal Cannula Using Machine Learning in COVID-19
Economic evaluation of a cluster randomized, non-inferiority trial of differentiated service delivery models of HIV treatment in Zimbabwe
Increasing test specificity without impairing sensitivity - lessons learned from SARS-CoV-2 serology