title: Aging of chick embryo fibroblasts in vitro--IV. Doubling potential and metabolic time.
mesh_terms: D000818:Animals; D002455:Cell Division / Q000187:drug effects; D002470:Cell Survival; D002478:Cells, Cultured; D002642:Chick Embryo; D005347:Fibroblasts / Q000502:physiology*; D013997:Time Factors; D014810:Vitamin E / Q000494:pharmacology
chemical_list: D014810:Vitamin E