Inflammatory Bowel Diseases
Oxford University Press
https://www.researchpad.co/tools/openurl?pubtype=article&doi=10.1093/ibd/izaa114&title=Anti-TNF-α Agents in Inflammatory Bowel Disease and Course of COVID-19&author=Antonio Tursi,Lorenzo Maria Vetrone,Alfredo Papa,&keyword=&subject=Letter to the Editor,AcademicSubjects/MED00260,Ibdjnl/9,