Cite
MLA Citation
L. Citrome and T. A. Ketter. “When does a difference make a difference? Interpretation of number needed to treat, number needed to harm, and likelihood to be helped or harmed.” International journal of clinical practice, vol. 67, no. 5, 2013, pp. 407–411. http://access.bl.uk/ark:/81055/vdc_100024516137.0x000006