title: The beginnings of erythropoiesis in the yolk sac of the chick embryo.
mesh_terms: D000818:Animals; D001973:Bromodeoxyuridine / Q000494:pharmacology; D002250:Carbon Radioisotopes; D002458:Cell Fractionation; D002642:Chick Embryo; D002852:Chromatography, Ion Exchange; D004247:DNA / Q000378:metabolism; D004920:Erythropoiesis; D005260:Female; D006454:Hemoglobins / Q000096:biosynthesis*; D006863:Hydrogen-Ion Concentration; D007553:Isotope Labeling; D009924:Organ Culture Techniques; D009994:Osmolar Concentration; D014176:Protein Biosynthesis; D012333:RNA, Messenger / Q000378:metabolism; D013997:Time Factors; D014316:Tritium; D014461:Ultracentrifugation; D014817:Vitelline Membrane / Q000187:drug effects / Q000378:metabolism*
chemical_list: D002250:Carbon Radioisotopes; D006454:Hemoglobins; D012333:RNA, Messenger; D014316:Tritium; D004247:DNA; D001973:Bromodeoxyuridine