the ability of cm from macrophage cell lines j774 , wehi 274 , wehi 265 , and pu 5 to support single-cell growth during cloning was compared with cm from cultures of resident mouse peritoneal cells , el 4 mouse thymoma cells , l929 mouse fibrosarcoma , and feeder layers of resident peritoneal cells .
C0007595
cell growth
C0007634
cells