Contemporary Clinical Trials
Contemporary Clinical Trials > 2005 > 26 > 2 > 155-168
Contemporary Clinical Trials > 2005 > 26 > 3 > 386-396
Contemporary Clinical Trials > 2005 > 26 > 3 > 331-337
Contemporary Clinical Trials > 2005 > 26 > 4 > 469-479
Contemporary Clinical Trials > 2005 > 26 > 6 > 637-645