dispersed placental cells ( 10 ( 6 ) cells/ml ) were placed in medium 199 with modified earle 's salts ( ph 7.4 ) containing 10 % fetal bovine serum , 12.5 mm hepes buffer , 26 mm nahco3 , and 40 micrograms/ml gentamycin-so4 and incubated for 72 h at 37 c and 5 % co2 in air to allow cell attachment .
C0007634
cells
C0887869
cell attachment