title: Commentary: "Switchback" allocation--dangerous bends ahead!
authors.forename: J J
authors.initials: JJ
authors.lastname: Deeks
mesh_terms: D018592:Cross-Over Studies; D006801:Humans; D007231:Infant, Newborn; D015997:Neonatal Screening / Q000458:organization & administration*; D016032:Randomized Controlled Trials as Topic