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Instrumental variables in real‐world clinical studies of dementia and neurodegenerative disease: Systematic review of the subject‐matter argumentation, falsification test, and study design strategies to justify a valid instrument

Pulmonary Hypertension: Intensification and Personalization of Combination Rx (PHoenix): A phase IV randomized trial for the evaluation of dose‐response and clinical efficacy of riociguat and selexipag using implanted technologies

Real-world effectiveness of pneumococcal vaccination in older adults: Cohort study using the UK Clinical Practice Research Datalink

Ultra-low Ultraviolet Radiation in Office Lighting Can Moderate Seasonal Vitamin D Cycle: A Pilot Study

Determinants of blood and saliva lead concentrations in adult gardeners on urban agricultural sites

Impact of influenza vaccination on amoxicillin prescriptions in older adults: A retrospective cohort study using primary care data

Mortality and morbidity of locally acquired hepatitis E in the national Scottish cohort: a multicentre retrospective study

Clinical phenotype and outcome of hepatitis E virus–associated neuralgic amyotrophy

Adjusting for unmeasured confounding in nonrandomized longitudinal studies: a methodological review

Clinical phenotype and outcome of hepatitis E virus associated neuralgic amyotrophy$mathsemicolon$ an international retrospective comparative cohort study