homocysteine in its reduced form ( hcy-sh ) was toxic to all cell lines , and the ld90 was estimated to be 1.0 x 10 ( -4 ) m for cl 8 and cl 16 cells measured by plating efficiency , 0.8 x 10 ( -4 ) m for cl 8 and 0.3 x 10 ( -4 ) m for cl 16 when measured by total cell growth .
C0007634
cells
C0007595
cell growth