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APA Citation
Ciccozzi, M., Menga, R., Ricci, G., Vitali, M. A., Angeletti, S., Sirignano, A., & Tambone, V. (2016). critical review of sham surgery clinical trials: Confounding factors analysis. Annals of medicine and surgery, 12, 21–26. http://access.bl.uk/ark:/81055/vdc_100042786255.0x000003