title: Tracheostomy timing, enrollment and power in ICU clinical trials.
authors.forename: Damon C
authors.initials: DC
authors.lastname: Scales
authors.forename: Jeremy M
authors.initials: JM
authors.lastname: Kahn
mesh_terms: D006801:Humans; D007362:Intensive Care Units; D016032:Randomized Controlled Trials as Topic; D012121:Respiration, Artificial; D014139:Tracheostomy