详细信息:PMEF-HL are Hygromycin resistant Primary Mouse Embryo Fibroblasts that have NOT been mitotically arrested. The cells are provided at passage 3 and can be further expanded before freezing for later use.See ES Stem Cell Manual for complete culture and medias for PMEF cells.EmbryoMax™ Primary Mouse Embryo Fibroblasts,Hygro Resistant, Not Mytomycin C treated, Strain C57/BL6, passage 3