Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: The Use/Abuse of Oral Contraceptive Pills Among Males: A Mixed-Method Explanatory Sequential Study Over Jordanian Community Pharmacists
SUDMEX CONN: The Mexican MRI dataset of patients with cocaine use disorder
Regional performance variation in external validation of four prediction models for severity of COVID-19 at hospital admission: An observational multi-centre cohort study
Telemedicine and Patient Satisfaction in Saudi Arabia
Safety and efficacy of two immunization schedules with an inactivated SARS-CoV-2 vaccine in adults. A randomized non-inferiority clinical trial.
Assessing risk perceptions that contribute to tetanus toxoid maternal vaccine hesitancy in Kilifi County, Kenya
An empirical analysis of what people learned about COVID-19 through a web search and the impacts on misinformation and attitude towards public health safety guidelines.
Inference of SARS-CoV-2 generation times using UK household data
Theoretical derivation and clinical validation of the resolution limit of human eye to spherical lens change：A Self-controlled Study
Utility of estimated pulse wave velocity for assessing vascular stiffness: comparison of methods
Sub-optimal Neutralisation of Omicron (B.1.1.529) Variant by Antibodies induced by Vaccine alone or SARS-CoV-2 Infection plus Vaccine (Hybrid Immunity) post 6-months
The effects of skin pigmentation on the accuracy of pulse oximetry in measuring oxygen saturation: a systematic review and meta-analysis
Autoantigen characterization in the lower esophageal sphincter muscle of patients with achalasia.
Mortality after surgery with SARS-CoV-2 infection in England: A population-wide epidemiological study
Head and body dyskinesia during gait in tactical athletes with vestibular deficit following concussion
Parental perspectives on the grief and support needs of children and young people bereaved during the Covid-19 pandemic: Qualitative findings from a national survey
All-cause excess mortality in the State of Gujarat, India, during the COVID-19 pandemic (March 2020-April 2021)
A triangulated study on non-pharmacological management of Alzheimer's disease in Mauritius
An integrated framework for building trustworthy data-driven epidemiological models: Application to the COVID-19 outbreak in New York City
Process evaluation of the development and remote recruitment for Essential Coaching for Every Mother during COVID-19
Occupational risk of COVID-19 by country of birth. A register-based study.
Deep learning-based detection of COVID-19 using wearables data
Secondary Analyses for Genome-wide Association Studies using Expression Quantitative Trait Loci
A ketogenic supplement improves white matter energy supply and processing speed in mild cognitive impairment
The CADM2 gene and behavior: A phenome-wide scan in UK-Biobank
Fatigue in Incident Peritoneal Dialysis and Mortality: A Real-World Side-by-Side Study in Brazil and the United States