Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Toward a preventive approach to prolonged grief disorder in palliative care: Insecure attachment moderates the impact of perceived support on the severity of symptoms
Withdrawal of Assisted Ventilation at the Patient's Request in MND: A Retrospective Exploration of the Ethical and Legal Issues Concerning Relatives, Nurses and Allied Health Care Professionals
Effectiveness of non-pharmaceutical measures (NPIs) on COVID-19 in Europe: A systematic literature review
Does the use of intraoperative CT scan improve outcomes in Orthopaedic surgery? A protocol for systematic review and meta-analysis.
Assessment of twenty-two SARS-CoV-2 rapid antigen tests against SARS-CoV-2: A laboratory evaluation study
COVID-19 self-testing in Nigeria: Stakeholders opinions and perspective on its value for case detection
Strategies for antigen testing: An alternative approach to widespread PCR testing
Validation of a transcriptome-based assay for classifying cancers of unknown primary origin
Multi-task deep autoencoder to predict Alzheimer's disease progression using temporal DNA methylation data in peripheral blood
Germline mosaicism of a missense variant in KCNC2 in a multiplex family with autism and epilepsy
Modeling the Effect of Population-Wide Vaccination on the Evolution of COVID-19 Epidemic in Canada
Effectiveness of mRNA COVID-19 vaccines against symptomatic SARS-CoV-2 infections during the Delta variant epidemic in Japan: Vaccine Effectiveness Real-time Surveillance for SARS-CoV-2 (VERSUS)
Interventions in sexual and reproductive health services addressing violence against women in low- and middle- income countries: a mixed-methods systematic review
Low knowledge about hepatitis B prevention among pregnant women in the Democratic Republic of the Congo
Retrospective study of the first wave of COVID-19 in Spain: analysis of counterfactual scenarios
Are vaccines safe in patients with Long COVID? A prospective observational study.
Looking for crumbs in the obesity forest: anti-obesity interventions in the Mexican population. History, and systematic review with Meta-Analysis
Prevalence and factors associated with post-partum depression in a remote area of Cameroon: a cross-sectional study
Epidemiological and clinical features of SARS-CoV-2 Infection in children during the outbreak of Omicron Variant in Shanghai, March 7-March 31, 2022
New susceptibility loci for severe COVID-19 by detailed GWAS analysis in European populations
Emotional symptoms, mental fatigue and behavioral adherence after 72 continuous days of strict lockdown during the COVID-19 pandemic in Argentina
Coding Long COVID: Characterizing a new disease through an ICD-10 lens
The Australian Parkinson's Genetics Study (APGS) - pilot (N = 1,532)
Maternal prenatal anxiety and depression and trajectories of cardiometabolic risk factors across childhood and adolescence: a prospective cohort study
Genetic associations with severe COVID-19
Developing and validating a multivariable prediction model for predicting costs of Colorectal Surgery