title: Hemoglobin switching.
mesh_terms: D002454:Cell Differentiation; D002478:Cells, Cultured; D002843:Chromatin / Q000648:ultrastructure; D004920:Erythropoiesis; D005796:Genes; D006412:Hematopoietic Stem Cells / Q000166:cytology; D006454:Hemoglobins / Q000096:biosynthesis* / Q000235:genetics; D006728:Hormones / Q000494:pharmacology; D006801:Humans; D009694:Nucleic Acid Precursors / Q000378:metabolism; D013312:Stress, Physiological / Q000378:metabolism; D014158:Transcription, Genetic
chemical_list: D002843:Chromatin; D006454:Hemoglobins; D006728:Hormones; D009694:Nucleic Acid Precursors