a centrifugal elutriation study suggested that , after 24-hr treatment with 5-fura , hydroxyurea might kill both cells in s phase , which has the greater number of clonogenic cells , and kill cells that are in other phases of the cell cycle , including cells blocked at the g1-s border that are vulnerable to the phenomenon of `` '' thymidineless death '' '' ;
C1516337
phases
C0007634
cells