title: The role of humoral factors in the regression of leukemia in chickens as measured by in vitro colony formation.
mesh_terms: D000362:Agar; D000818:Animals; D001353:Avian Leukosis / Q000097:blood / Q000276:immunology*; D001354:Avian Leukosis Virus; D001853:Bone Marrow / Q000276:immunology*; D001854:Bone Marrow Cells; D002455:Cell Division; D002642:Chick Embryo; D002645:Chickens / Q000276:immunology*; D002999:Clone Cells; D005260:Female; D009365:Neoplasm Regression, Spontaneous; D011201:Poultry Diseases / Q000276:immunology*; D014817:Vitelline Membrane
chemical_list: D000362:Agar