human choriocarcinoma cells in vitro ( enami-1 ) were exposed to various concentrations of mtx ( 10 ( -8 ) m , 10 ( -7 ) m , 10 ( -6 ) m , 10 ( -4 ) m ) for 48 hr , and after removal of mtx , cells were harvested and measured by fcm every 24 hr for 96 hr .
C0008497
choriocarcinoma
C0025677
mtx