title: Studies on an inhibitor of embryonic differentiation. Characterization by isoelectric focusing and filtration on sephadex.
mesh_terms: D000818:Animals; D001681:Biological Assay; D005075:Biological Evolution; D002454:Cell Differentiation / Q000187:drug effects*; D002642:Chick Embryo / Q000254:growth & development*; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D005260:Female; D006023:Glycoproteins / Q000302:isolation & purification / Q000494:pharmacology*; D007525:Isoelectric Focusing; D010063:Ovum / Q000254:growth & development; D011726:Pyridinium Compounds; D014316:Tritium
chemical_list: D006023:Glycoproteins; D011726:Pyridinium Compounds; D014316:Tritium