title: Critical care services and trial methodology: even at the turning of the tide.
authors.forename: Jürgen
authors.initials: J
authors.lastname: Graf
authors.forename: Uwe
authors.initials: U
authors.lastname: Janssens
mesh_terms: D002985:Clinical Protocols; D016638:Critical Illness / Q000401:mortality / Q000628:therapy*; D017052:Hospital Mortality; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000379:methods*; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design