Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: 13 cis retinoic acid improved the outcomes of COVID-19 patients. A randomized clinical trial
A PHASE IIA OPEN LABEL STUDY TO EVALUATE THE SAFETY, TOLERABILITY AND EFFICACY OF S-1226 ADMINISTERED BY NEBULIZATION IN SUBJECTS WITH CYSTIC FIBROSIS LUNG DISEASE
Application and reflection of blended learning in theoretical and practice courses of periodontology education
A convergence based assessment of relative differences in age-stratified susceptibility and infectiousness for SARS-CoV-2 variants of B.1.1.7 lineage
Altered branched-chain α-keto acid metabolism is a feature of NAFLD in individuals with severe obesity
The mutational steps of SARS-CoV-2 to become like Omicron within seven months: the story of immune escape in an immunocompromised patient.
A Data-driven Framework for Learning and Visualizing Characteristics of Thrombotic Event Phenotypes from Clinical Texts
Machine Learning for Real-Time Aggregated Prediction of Hospital Admission for Emergency Patients
Osteosarcoma: novel prognostic biomarkers using circulating and cell-free tumour DNA
Subtle oromotor signs in early Parkinsons disease before clinical manifestations of dysphagia
The Serological Sciences Network (SeroNet) for COVID-19: Depth and Breadth of Serology Assays and Plans for Assay Harmonization
Probabilistic inference of the genetic architecture underlying functional enrichment of complex traits
Persistent delirium in older hospital patients: an updated systematic review and meta-analysis
miRNA biomarkers for diagnosis of ALS and FTD, developed by a nonlinear machine learning approach
Inactivation of SARS-CoV-2 virus in saliva using a guanidium based transport medium suitable for RT-PCR diagnostic assays
Tele-Rehabilitation for People with Visual Disabilities During COVID-19 Pandemic: Lesson Learned
Prospective validation of smartphone-based heart rate and respiratory rate measurement algorithms
Effectiveness of Covid-19 Vaccines against the SARS-COV-2-Delta (B.1.617.2) in China-A Real World Study
Polygenic heterogeneity across obsessive-compulsive disorder subgroups defined by a comorbid diagnosis
Self-supervised neural network improves tri-exponential intravoxel incoherent motion model fitting in non-alcoholic fatty liver disease.
High throughput sequencing based detection of SARS-CoV-2 prevailing in wastewater of Pune, West India
SARS-CoV-2 Omicron variant escapes neutralization by vaccinated and convalescent sera and therapeutic monoclonal antibodies
A Pilot Randomized Controlled Trial of de novo Belatacept-Based Immunosuppression in Lung Transplantation
Post-acute health care burden after SARS-CoV-2 infection: A retrospective cohort study among 530,892 adults
Cost and availability of drugs and treatment regimens and availability of drug resistance testing for tuberculosis in Europe
Symptomatology associated with the diffusion of the SARS-CoV-2 Lambda variant in Peru: An infodemiologic analysis