Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Cerebrospinal fluid concentration of complement component 4A is increased in first-episode schizophrenia
Prospective examination of mental health in university students during the COVID-19 pandemic
Multimodal MRI examination of structural and functional brain changes in older women with breast cancer in the first year of antiestrogen hormonal therapy
Inference of causal relationships based on the genetics of cardiometabolic traits and conditions unique to females in >50,000 participants
Predictors of bovine Schistosoma japonicum infection in rural China
Twitter Discourse on Nicotine as Potential Prophylactic or Therapeutic for COVID-19
Changes Over Time in COVID-19 Vaccination Inequalities in Eight Large U.S. Cities
Food insecurity and the risk of HIV acquisition: Findings from population-based surveys in six sub-Saharan African countries (2016-2017)
A Multicenter Evaluation of Blood Purification with Seraph 100 Microbind Affinity Blood Filter for the Treatment of Severe COVID-19: A Preliminary Report
Unifying diagnostic criteria for gestational diabetes mellitus
Evaluation of peripheral enhancement on contrast-enhanced CT and corresponding pathological findings in colorectal liver metastases after preoperative chemotherapy
Post-acute sequelae of COVID-19 and adverse psychiatric outcomes: an etiology and risk systematic review protocol
App-based COVID-19 surveillance and prediction: The COVID Symptom Study Sweden
Increased variance in second electrode accuracy during deep brain stimulation and its relationship to pneumocephalus, brain shift, and clinical outcomes: a retrospective cohort study.
Impact of close interpersonal contact on COVID-19 incidence: evidence from one year of mobile device data
Evaluation of machine learning for predicting COVID-19 outcomes from a national electronic medical records database
Hospitalization Data Supports Correlation of Lower Covid-19 Severity vs. Universal BCG Immunization in the Early Phase of the Pandemic
Cervicovaginal immune mediators increase when young women begin to have sexual intercourse: a prospective study and meta-analysis
Assessing sustainability factors for rural sanitation coverage in Kenya, Zambia, Nepal, and Bhutan: A qualitative case study analysis
RPE65-related retinal dystrophy: mutational and phenotypic spectrum in 44 affected patients.
COVID-19 vaccination did not improve employee mental health: A prospective study in an early phase of vaccination in Japan
Predicting Prognosis in COVID-19 Patients using Machine Learning and Readily Available Clinical Data
The effect of singers masks on the impulse dispersion of aerosols during singing
Socioeconomic status effects on health vary between rural and urban Turkana
Empirical Approach to Developing an Optimal Socioeconomic Status Index for Health Surveillance
Molecular pathways in post-colonoscopy versus detected colorectal cancers: results from a nested case-control study