MINIREVIEWS

1. Angiotensin-converting enzyme 2 receptors,chronic liver diseases,common medications,and clinical outcomes in coronavirus disease 2019 patients
2. Impact of COVID-19 in patients with lymphoid malignancies

EVIDENCE-BASED MEDICINE

1. Association between population vitamin D status and SARS-CoV-2 related serious-critical illness and deaths:An ecological integrative approach

CASE REPORT

1. Chest radiography requirements for patients with asymptomatic COVID-19 undergoing coronary artery bypass surgery:Three case reports