title: A difference must make a difference.
authors.affiliation: University of Sao Paulo Medical School, Sao Paulo, Brazil. dan@ganep.com.br
authors.forename: Dan L
authors.initials: DL
authors.lastname: Waitzberg
mesh_terms: D002985:Clinical Protocols; D004750:Enteral Nutrition / Q000592:standards*; D006801:Humans; D007362:Intensive Care Units / Q000592:standards*; D017063:Outcome Assessment, Health Care; D017410:Practice Guidelines as Topic; D011786:Quality Control