4. In contrast , tapetal cells of fertile anthers began to degenerate at the stage of mononuclear pollen.
可育株绒毡层在单核花粉粒期开始解体,花粉粒成熟期时完全解体.
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5. The patients were divided into trial group [ PCI + normal saline ( NS ) ] and control group [ PCI + autologous bone marrow mononuclear cells ( BM - MNCs ) ] randomly.