METHODS: Autologous BMSCs were isolated by density gradient centrifugation with stem cell extract liquid to prepare stem cell suspension, and were intramuscularly injected into the suffered limbs.是什么意思_METHODS: Autologous BMSCs were isolated by density gradient centrifugation with stem cell extract liquid to prepare stem cell suspension, and were intramuscularly injected into the suffered limbs.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句