title: A new crystalline growth factor for mammalian cells in vitro, isolated from a commercial peptone.
mesh_terms: D000818:Animals; D002478:Cells, Cultured / Q000187:drug effects; D002855:Chromatography, Thin Layer; D006224:Cricetinae; D003460:Crystallization; D003956:Dialysis; D005260:Female; D006133:Growth Substances / Q000302:isolation & purification* / Q000494:pharmacology; D006367:HeLa Cells / Q000187:drug effects; D006801:Humans; D066298:In Vitro Techniques; D008858:Microscopy, Phase-Contrast; D010461:Peptones / Q000032:analysis*; D012517:Sarcoma, Yoshida; D013057:Spectrum Analysis; D013268:Stimulation, Chemical; D014466:Ultraviolet Rays
chemical_list: D006133:Growth Substances; D010461:Peptones