The formation of citrovorum factor in the developing chick egg and the effect of injecting folic acid antagonists.
D000818:Animals; D002645:Chickens; D004622:Embryo, Mammalian / Q000378:metabolism*; D004625:Embryo, Nonmammalian / Q000378:metabolism*; D005492:Folic Acid / Q000031:analogs & derivatives; D005493:Folic Acid Antagonists / Q000494:pharmacology*; D002955:Leucovorin
D005493:Folic Acid Antagonists; D005492:Folic Acid; D002955:Leucovorin
EMBRYO/metabolism; FOLIC ACID ANTAGONISTS/effects; FOLIC ACID/related compounds