Gupta Samir, Krowka Michael J
Department of Medicine (Gupta), University of Toronto; Division of Respirology (Gupta), St. Michael's Hospital; Keenan Research Centre for Biomedical Science (Gupta), Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ont.; Pulmonary and Gastroenterology/Hepatology Division (Krowka), Mayo Clinic, Rochester, Minn.
CMAJ. 2018 Feb 26;190(8):E223. doi: 10.1503/cmaj.170253.