Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: REPAIR OF ABDOMINAL WALL DEFECTS WITH ACELLULAR BOVINE PERICARDIUM MATRIX - A MULTICENTER PROSPECTIVE STUDY
Impact of low-dose intrathecal morphine on orthopedic surgery: a protocol of a systematic review and meta-analysis of randomized controlled trials
COVID-19 dynamics in an Ohio prison
Time trends in social contacts of individuals according to comorbidity and vaccination status, before and during the COVID-19 pandemic: repeated cross-sectional population-based surveys
Lower respiratory tract sampling via bronchoscopy in COVID-19 ARDS - A focus on microbiology, cellular morphology, cytology and management impact
HAT-field: a very cheap, robust and quantitative point-of-care serological test for Covid-19.
The role of connectivity on COVID-19 preventive approaches
Psychological Outcomes of Surgery Trainees in the Era of COVID-19 at a Tertiary Care Hospital of Karachi, Pakistan: A Cross-Sectional Study
Actions for fostering cross-disciplinary global health research
Comparison of the clinical characteristics and mortality in ARDS due to COVID-19 versus ARDS due to Influenza A-H1N1pdm09
All-cause mortality among patients treated with repurposed antivirals and antibiotics for COVID-19 in Mexico City: A Real-World Observational Study
A Remote Household-Based Approach to Influenza Self-Testing and Antiviral Treatment
Differential pre-pandemic IgA reactivity against SARS-CoV-2 and circulating human coronaviruses measured in milk collected in Uganda and the USA
Age-varying genetic associations and implications for bias in Mendelian randomization analyses
Cross-sectional cycle threshold values reflect epidemic dynamics of COVID-19 in Madagascar
Application and reflection of blended learning in theoretical and practice courses of periodontology education
Optimizing SARS-CoV-2 Variant of Concern Screening: Experience from British Columbia, Canada, Early 2021
Effects of genetic liability to Alzheimers disease on circulating metabolites across the life course
Elevated mortality among people experiencing homelessness with COVID-19
A Novel Penalized Inverse-Variance Weighted Estimator for Mendelian Randomization with Applications to COVID-19 Outcomes
Strategies that make vaccination easy and promote autonomy could increase COVID-19 vaccination in those who remain hesitant.
Global diversity of policy, coverage, and demand of COVID-19 vaccines: a descriptive study
Effectiveness of digital contact tracing for COVID-19 in New South Wales, Australia
Development and Evaluation of AccuPower(R) COVID-19 Multiplex Real-Time RT-PCR Kit and AccuPower(R) SARS-CoV-2 Multiplex Real-Time RT-PCR Kit for SARS-CoV-2 Detection in Sputum, NPS/OPS, Saliva and Pooled Samples
PathML: A unified framework for whole-slide image analysis with deep learning
The development and usability testing of digital knowledge translation tools for parents of children with bronchiolitis