YCK
On the other hand, a       low concentration ( approximately 10(-8)-10(-9) M) of YCK was found to potentiate       the cytotoxic effect of cyclophosphamide on the MCF-7 cell line.
On the other hand, a       low concentration ( approximately 10(-8)-10(-9) M) of  @SUBJECT$  was found to potentiate       the cytotoxic  @PREDICAT$  of  @OBJECT$  on the MCF-7 cell line.