Objectives To systematically review articles that reported the impacts of social isolation on
the physical and mental health of healthy older adults during the coronavirus disease 2019 …

Globally, millions of lives are impacted every year by infectious diseases outbreaks.
Comprehensive and innovative surveillance strategies aiming at early alert and timely …

Methodological biases are common in observational studies evaluating treatment
effectiveness. The objective of this study is to emulate a target trial in a competing risks …

Background The COVID-19 pandemic prompted social distancing policies and caused
misinformation that hindered in-person HIV screening for high-risk groups. Social media …

Abstract Purpose of this Review We discuss the role of observational studies and cardiac
registries during the COVID-19 pandemic. We focus on published cardiac registries and …

Registries provide an important tool for data collection, particularly in context of rare
conditions, or questions not amenable to investigation by means of a clinical trial. The …

Objectives This study aimed to assess the periodontal condition in COVID-19 patients and
determine the multidirectional association between severe generalized periodontitis and …

Os modelos dos Estudos Farmacoepidemiológicos foram sofrendo alterações desde o início
da sua utilização, com o intuito de colmatar novas necessidades ou limitações na obtenção …

Abstract Os modelos dos Estudos Farmacoepidemiológicos foram sofrendo alterações
desde o início da sua utilização, com o intuito de colmatar novas necessidades ou …

Myxomatous mitral valve disease (MMVD) is the most common heart disease in dogs.
However, prospectively acquired data describing the natural history and prognostic factors …