Strengths and limitations of this study Little is known about the long-term benefits of... more >
Background In clinical trials (CT), a placebo is commonly used as a control therapy... more >
Strengths and limitations of this study This study is the first to describe the... more >
Introduction Early in the COVID-19 pandemic, research and clinical practice focused on pulmonary manifestations.1... more >
Strengths and limitations of this study A major strength of our study is the... more >
Strengths and limitations of this study This is a large dataset of antibody results... more >
Participants Eighteen people took part in an interview (see table 2 for sample characteristics).... more >
Strengths and limitations of this study The present systematic review will follow the Preferred... more >