TY - BOOK ED - Public Health England ED - NHS England TI - The NHS atlas variation in diagnostic services : reducing unwarranted variation to increase value and improve quality U1 - 610.075 PUB PY - 2013/// CY - London PB - Public Health England KW - Diagnosis N1 - Diagnosis; Imaging; Radiology; Endoscopy; Audiology; Cardiology; Statistics; Health inequalities ER -