title: [On tryptophan pyrrolase activity in the embryonic chick liver].
mesh_terms: D000818:Animals; D002642:Chick Embryo; D004794:Enzyme Repression; D005472:Fluorouracil / Q000494:pharmacology; D005492:Folic Acid / Q000494:pharmacology; D008099:Liver / Q000196:embryology / Q000201:enzymology*; D013268:Stimulation, Chemical; D013739:Testosterone / Q000494:pharmacology; D014366:Tryptophan Oxygenase / Q000037:antagonists & inhibitors / Q000378:metabolism*
chemical_list: D013739:Testosterone; D005492:Folic Acid; D014366:Tryptophan Oxygenase; D005472:Fluorouracil
vernacular_title: Zur Tryptophanpyrrolase-Aktivität in der embryonalen Hühnerleber.