PT - JOURNAL ARTICLE AU - R G Frey TI - The Ethics of Animal and Human Experimentation AID - 10.1136/jme.22.4.252 DP - 1996 Aug 01 TA - Journal of Medical Ethics PG - 252--253 VI - 22 IP - 4 4099 - http://jme.bmj.com/content/22/4/252.short 4100 - http://jme.bmj.com/content/22/4/252.full SO - J Med Ethics1996 Aug 01; 22