title: A proposal to prepare a biological standard for carcinoembryonic antigen.
mesh_terms: D000951:Antigens, Neoplasm; D002272:Carcinoembryonic Antigen / Q000302:isolation & purification / Q000592:standards*; D006801:Humans; D007120:Immunochemistry
chemical_list: D000951:Antigens, Neoplasm; D002272:Carcinoembryonic Antigen