title: Species specificity in growth regulatory effects of cellular interaction.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002869:Chromosome Aberrations; D006224:Cricetinae; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis; D004171:Diploidy; D005347:Fibroblasts / Q000254:growth & development; D000882:Haplorhini; D006801:Humans; D007668:Kidney / Q000166:cytology; D007908:Lens, Crystalline / Q000166:cytology; D008168:Lung / Q000166:cytology; D051379:Mice; D009374:Neoplasms, Experimental; D011506:Proteins / Q000032:analysis; D011817:Rabbits; D012377:Rodentia; D012513:Sarcoma, Experimental; D013045:Species Specificity; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D011506:Proteins; D014316:Tritium; D004247:DNA; D013936:Thymidine