title: Human marrow erythropoiesis in culture: II. Heterogeneity in the morphology, time course of colony formation, and sedimentation velocities of the colony-forming cells.
mesh_terms: D001799:Blood Sedimentation; D001854:Bone Marrow Cells; D002478:Cells, Cultured; D002999:Clone Cells / Q000166:cytology; D004920:Erythropoiesis; D006454:Hemoglobins / Q000378:metabolism; D006801:Humans; D013997:Time Factors
chemical_list: D006454:Hemoglobins