TCL Archive In Brief: Resolution wasn’t Strong Enough, Reizen Though; Two More chemicals reported Out of Bioassay June 3, 1977
TCL Archive NCI Deputy Barker Hits FDA, Calls for New Incentives for Pharmaceutical Industry; Barker Co-Founded Dietary Supplements Firm May 30, 2003
TCL Archive Bill Requires NIH-Funded Researchers To Send Manuscripts To PubMed Central. November 2, 2007