title: Stem cell concepts.
mesh_terms: D002450:Cell Communication; D002453:Cell Cycle; D002454:Cell Differentiation; D002455:Cell Division; D002904:Chromosomes, Human, 21-22 and Y; D002999:Clone Cells; D003114:Colony-Forming Units Assay; D004921:Erythropoietin / Q000494:pharmacology; D005796:Genes; D006412:Hematopoietic Stem Cells; D006801:Humans; D008099:Liver / Q000166:cytology; D013997:Time Factors
chemical_list: D004921:Erythropoietin