title: Cell-cell interaction in vitro: studied by density separation of colony-forming, stimulating, and inhibiting cells from human bone marrow.
mesh_terms: D001853:Bone Marrow / Q000276:immunology*; D001854:Bone Marrow Cells; D002478:Cells, Cultured; D002499:Centrifugation, Density Gradient; D002999:Clone Cells; D006410:Hematopoiesis; D006801:Humans; D012710:Serum Albumin, Bovine
chemical_list: D012710:Serum Albumin, Bovine