title: Negative studies deserve more attention.
authors.forename: Marcelo Gama
authors.initials: MG
authors.lastname: de Abreu
mesh_terms: D005466:Fluorocarbons / Q000627:therapeutic use*; D006801:Humans; D021061:Liquid Ventilation / Q000379:methods*; D012107:Research Design; D012121:Respiration, Artificial; D012128:Respiratory Distress Syndrome / Q000628:therapy*; D016896:Treatment Outcome
chemical_list: D005466:Fluorocarbons