Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Incidence Rates of Pediatric Central Nervous Tumors Display No Geographical Variation
The clinical feature of triple-negative breast cancer in Beijing, China
Cue-induced cocaine craving enhances psychosocial stress and vice versa in chronic cocaine users
The Microbiome in Adult Acute Appendicitis
Rapid increase of SARS-CoV-2 variant B.1.1.7 detected in sewage samples from England between October 2020 and January 2021
Physical activity-correlated changes in plasma enzyme concentrations in fragile sarcolemmal muscular dystrophies
Quantifying contribution of Lipoprotein (a) to atherogenic lipoprotein burden: a novel particle-based approach
Impact estimation on COVID-19 infections following school reopening in September 2020 in Italy
Experiences of supported isolation in returning travellers during the early COVID-19 response: an interview study
Persistent health issues, adverse events of significant concern, and effectiveness of COVID-19 vaccination- findings from a real-world cohort study of healthcare workers in north India
Experiences of COVID-19 Recovered Patients - A Qualitative Case Study from a Hotspot in Saudi Arabia
Prediction of type 2 diabetes mellitus onset using logistic regression-based scoreboards
Correlation between the environmental parameters with outbreak pattern of COVID-19: A district level investigation based on yearlong period in India
Autoimmune anti-DNA antibodies predict disease severity in COVID-19 patients
Dementia Prediction in Older People through Topic-cued Spontaneous Conversation
Viral dynamics of SARS-CoV-2 variants in vaccinated and unvaccinated individuals
Oral Vitamin D supplementation induces transcriptomic changes in rectal mucosa that are consistent with anti-tumour effects.
Comparing human and model-based forecasts of COVID-19 in Germany and Poland
Sensitive extraction-free SARS-CoV-2 RNA virus detection using a novel RNA preparation method
C allele of rs479200 of the host EGLN1 gene - a risk factor for severe COVID-19 (pilot study)
Japanese national well-being survey shows that living alone results in lower satisfaction and affects other relationships, while social networking service usage is related to life satisfaction: A cross-sectional study
On The Dynamics of Interstate Diffusion of Firearm Violence and Impact of Firearm Regulations
Use of Indomethacin for mild and moderate Covid -19 patients. A Randomized Control Trial
Mortality Outcomes in Task-Sharing for Emergency Care: Impact of Emergency Physician Supervision on Non-Physician Emergency Care in Rural Uganda
Quantitative chest CT combined with plasma cytokines predict outcomes in COVID-19 patients
Limited impact of Delta variants mutations in the effectiveness of neutralization conferred by natural infection or COVID-19 vaccines in a Latino population