title: Erythropoietic polyploidy. I. The morphology of polyploid erythroid elements and their incidence in healthy subjects.
mesh_terms: D000293:Adolescent; D000328:Adult; D001856:Bone Marrow Examination; D002455:Cell Division; D004912:Erythrocytes / Q000528:radiation effects*; D004913:Erythrocytes, Abnormal; D004920:Erythropoiesis / Q000502:physiology*; D006801:Humans; D008875:Middle Aged; D013959:Thyroid Diseases