[Ultrastructural changes in hemopoietic microenvironment and hemopoietic cells in bone marrow of aplastic anemia].
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D000741:Anemia, Aplastic / Q000473:pathology*; D001853:Bone Marrow / Q000648:ultrastructure; D006412:Hematopoietic Stem Cells / Q000648:ultrastructure*; D006801:Humans