TY - JOUR T1 - An interaction of medical and statistical ethics JF - Journal of Medical Ethics JO - J Med Ethics SP - 51 LP - 52 DO - 10.1136/jme.2008.025882 VL - 35 IS - 1 AU - D J Finney Y1 - 2009/01/01 UR - http://jme.bmj.com/content/35/1/51.abstract N2 - It is argued that the practice of omitting outliers when calibrating thromboplastin time, as recommended by the World Health Organization, should not continue unless it can be justified statistically and that possible harmful effects of omitting such data should be investigated. ER -