title: Protein nitrogen and DNA accumulation in early chick embryos cultured on several purified yolk proteins.
mesh_terms: D000818:Animals; D002642:Chick Embryo / Q000378:metabolism; D003470:Culture Media; D046508:Culture Techniques; D004247:DNA / Q000378:metabolism*; D004527:Egg Proteins / Q000302:isolation & purification / Q000378:metabolism*; D004530:Egg Yolk / Q000032:analysis; D005260:Female; D009584:Nitrogen / Q000378:metabolism*
chemical_list: D003470:Culture Media; D004527:Egg Proteins; D004247:DNA; D009584:Nitrogen