Pittenger M F,Mackay A M,Beck S C,et al.Multilineage potential of adult human mesenchymal stem cells[J].Science,1999,284:143.是什么意思_Pittenger M F,Mackay A M,Beck S C,et al.Multilineage potential of adult human mesenchymal stem cells[J].Science,1999,284:143.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句