title: Biochemical studies on the nucleic acid metabolism of embryonic tissue and the effect of drugs.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism*; D003520:Cyclophosphamide / Q000494:pharmacology*; D004247:DNA / Q000096:biosynthesis*; D003609:Dactinomycin / Q000494:pharmacology; D003864:Depression, Chemical; D004622:Embryo, Mammalian / Q000378:metabolism*; D005260:Female; D007942:Leukemia, Experimental; D008099:Liver / Q000196:embryology / Q000378:metabolism; D008431:Maternal-Fetal Exchange; D008938:Mitosis / Q000187:drug effects; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D014316:Tritium; D003609:Dactinomycin; D003520:Cyclophosphamide; D004247:DNA; D013936:Thymidine