PT - JOURNAL ARTICLE ED - , TI - Research using cells derived from fertilised human ovum: can this be morally justified? AID - 10.7861/clinmedicine.1-5-421 DP - 2001 Sep 01 TA - Clinical Medicine PG - 421--422 VI - 1 IP - 5 4099 - http://www.rcpjournals.org/content/1/5/421.short 4100 - http://www.rcpjournals.org/content/1/5/421.full SO - Clin Med2001 Sep 01; 1