PT - JOURNAL ARTICLE ED - Schrager, James E. TI - Editor's Letter DP - 2004 Mar 20 TA - Trading PG - 13--13 VI - 2004 IP - 1 4099 - http://guides.pm-research.com/content/2004/1/13.short 4100 - http://guides.pm-research.com/content/2004/1/13.full