title: NNTs and NNHs: handle with care.
authors.affiliation: Department of Noncommunicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London.
authors.forename: Adrian A
authors.initials: AA
authors.lastname: Root
authors.affiliation: Department of Non-communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London.
authors.forename: Liam
authors.initials: L
authors.lastname: Smeeth
mesh_terms: D000066491:Clinical Decision-Making; D055317:Evidence-Based Practice; D058006:General Practice; D006801:Humans; D010818:Practice Patterns, Physicians'