title: Variation of DNA synthesis with age in chick embryo skin.
mesh_terms: D000367:Age Factors; D000818:Animals; D002247:Carbon Isotopes; D002642:Chick Embryo; D004247:DNA / Q000096:biosynthesis*; D003864:Depression, Chemical; D006131:Growth Inhibitors / Q000494:pharmacology; D066298:In Vitro Techniques; D008938:Mitosis; D012867:Skin / Q000378:metabolism*; D013936:Thymidine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D006131:Growth Inhibitors; D004247:DNA; D013936:Thymidine