title: The tip of the iceberg.
authors.affiliation: University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, USA. gould@surgery.wisc.edu
authors.forename: Jon
authors.initials: J
authors.lastname: Gould
mesh_terms: D050110:Bariatric Surgery / Q000009:adverse effects*; D006801:Humans; D000860:Hypoxia / Q000209:etiology*