title: Evaluation of the Sheffield system for identifying children at risk from unexpected death in infancy.
mesh_terms: D004739:England; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011247:Pregnancy; D012042:Registries; D012306:Risk; D013398:Sudden Infant Death / Q000453:epidemiology / Q000517:prevention & control*