聽說用這招拒絕死纏著你的人超有效!
NIH Stem Cell Information Home Page 這招用來拒絕應該很有效...The Promise of Stem Cells Stem cells can develop into different cell types. They may offer a renewable source of replacement cells to treat diseases, conditions, and disabilities. Learn more about stem cells NIH Human Embryonic Stem Cell Registry The Regi...
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