title: Randomized controlled trials in population-based intervention studies are not always feasible.
authors.affiliation: South Carolina Cancer Center, Columbia, SC 29203, USA. william.woods@rmh.edu
authors.forename: W G
authors.initials: WG
authors.lastname: Woods
authors.forename: M
authors.initials: M
authors.lastname: Bernstein
authors.forename: B
authors.initials: B
authors.lastname: Lemieux
mesh_terms: D004992:Ethics, Medical; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008403:Mass Screening; D009447:Neuroblastoma / Q000175:diagnosis / Q000401:mortality* / Q000517:prevention & control*; D016032:Randomized Controlled Trials as Topic; D012107:Research Design