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Levinson, Wendy; Kallewaard, Marjon; Bhatia, R Sacha; Wolfson, Daniel; Shortt, Sam; Rodondi, Nicolas; Kerr, Eve A (2015). 'Choosing Wisely': a growing international campaign. BMJ Quality and Safety, 24(2), pp. 167-174. BMJ Publ. Group 10.1136/bmjqs-2014-003821
