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APA Citation
Tognoni, G., Alli, C., Avanzini, F., Bettelli, G., Colombo, F., Corso, R., Marchioli, R., & Zussino, A. (1991). randomised clinical trials in general practice: lessons from a failure.. BMJ, 303(6808), 969–971. http://access.bl.uk/ark:/81055/vdc_100141636265.0x00002b