we have compared the cytotoxicity in human mcf-7 breast cancer cells of 125iudr , 125i-iodotamoxifen , a nonsteroidal antiestrogen that is translocated from the cytoplasm to the nucleus of receptor containing cells , and 125i-iodoantipyrine , a biological indicator of the body water space .
C0007634
cells
C0007610
nucleus of