PT - JOURNAL ARTICLE AU - Barnard, George A TI - Quantitative Risk Assessment AID - 10.1136/jme.15.1.53 DP - 1989 Mar 01 TA - Journal of Medical Ethics PG - 53--54 VI - 15 IP - 1 4099 - http://jme.bmj.com/content/15/1/53.short 4100 - http://jme.bmj.com/content/15/1/53.full SO - J Med Ethics1989 Mar 01; 15