Growth regulatory effects of cellular interaction.
D000650:Amnion; D002247:Carbon Isotopes; D002455:Cell Division; D002875:Chromosomes; D046508:Culture Techniques; D005347:Fibroblasts; D006128:Growth; D006367:HeLa Cells; D006801:Humans; D009369:Neoplasms; D013936:Thymidine
D002247:Carbon Isotopes; D013936:Thymidine