title: A method of cell synchronization by tryptophan restriction.
mesh_terms: D000818:Animals; D002453:Cell Cycle / Q000187:drug effects*; D002460:Cell Line; D006224:Cricetinae; D004247:DNA / Q000096:biosynthesis; D007668:Kidney; D013997:Time Factors; D014364:Tryptophan / Q000494:pharmacology*
chemical_list: D014364:Tryptophan; D004247:DNA