title: Studies on hematopoietic stem cells. IX. Growth of human erythroid precursors in liquid culture--a new diffusion chamber technique.
mesh_terms: D002478:Cells, Cultured; D003470:Culture Media; D003584:Cytological Techniques; D004058:Diffusion; D004921:Erythropoietin / Q000494:pharmacology; D006412:Hematopoietic Stem Cells / Q000166:cytology*; D006801:Humans
chemical_list: D003470:Culture Media; D004921:Erythropoietin