title: The synthesis of foetal chicks and rats of serum proteins having some properties of the immunoglobulins.
mesh_terms: D000818:Animals; D001345:Autoradiography; D001798:Blood Proteins / Q000096:biosynthesis*; D002247:Carbon Isotopes; D002642:Chick Embryo; D005333:Fetus / Q000378:metabolism*; D007122:Immunoelectrophoresis; D066298:In Vitro Techniques; D007930:Leucine; D051381:Rats; D005719:gamma-Globulins / Q000096:biosynthesis*
chemical_list: D001798:Blood Proteins; D002247:Carbon Isotopes; D005719:gamma-Globulins; D007930:Leucine