Only 25 patients appeared to have been treated with their assigned therapy around the time of their enrolment .
Only three of these 25 did not receive HDC ( i.e. could have been in a control group ) .
Only 25 patients appeared to have been treated with their assigned therapy around the time of their enrolment , and only three of these 25 did not receive HDC ( i.e. could have been in a control group ) .