title: Medical groundhog days.
authors.affiliation: Division of Gastroenterology, Portland VA Medical Center, and Oregon Health and Science University, Portland, Oregon, USA.
authors.forename: Amnon
authors.initials: A
authors.lastname: Sonnenberg
mesh_terms: D035843:Biomedical Research; D005762:Gastroenterology; D006801:Humans; D009042:Motivation; D011364:Professional Practice