by measuring the percentage of cells with labeled nuclei after tritiated thymidine ( [ 3h ] dthd ) injection 1 hour prior to sacrifice [ dthd labeling index ( tli ) ] , a study was made of the effect ( in vivo ) of a near physiologic dose of pg ( 125 micrograms ip ) on cell proliferation in uteri ( as the control pg target organ ) and on tumors of spayed ( c57bl female x dba/2f male ) f1 mice .
C0007634
the
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nuclei