in contrast , cells which secreted little hcg , such as sch , enami-1 , and gch-1 , showed no response to the growth inhibitory action of 2 x 10 ( -8 ) m mtx and the 3h-thymidine uptake was not reduced by treatment with mtx at doses of up to 10 ( -4 ) m for 48 hours .
C0007634
cells
C1327616
secreted