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APA Citation
Smits, M., Wagner, C., Spreeuwenberg, P., van der Wal, G., & Groenewegen, P. P. (2009). measuring patient safety culture: an assessment of the clustering of responses at unit level and hospital level. Quality & safety in health care, 18(4), 292–296. http://access.bl.uk/ark:/81055/vdc_100144238458.0x00000d