title: Large complex terminologies: more coding choice, but harder to find data--reflections on introduction of SNOMED CT (Systematized Nomenclature of Medicine--Clinical Terms) as an NHS standard.
authors: Simon
authors: S
authors: de Lusignan
authors: Tom
authors: T
authors: Chan
authors: Simon
authors: S
authors: Jones
mesh_terms: D006801:Humans; D016247:Information Storage and Retrieval; D013222:State Medicine / Q000458:organization & administration*; D039061:Systematized Nomenclature of Medicine; D006113:United Kingdom