title: Man and the animals are merely a passage and channel for food: Leonardo da Vinci, 1452-1519.
authors.forename: Dan L
authors.initials: DL
authors.lastname: Waitzberg
mesh_terms: D003422:Critical Care / Q000592:standards; D004750:Enteral Nutrition / Q000009:adverse effects* / Q000379:methods; D006801:Humans; D007362:Intensive Care Units; D010288:Parenteral Nutrition / Q000009:adverse effects* / Q000379:methods