But there were some problems still existed in the clinical application of exogenousgrowth factors such as factor sources, cost, immune reaction, side effects and so on.
但临床应用外源性生长因子还存在着因子来源、费用及其免疫反应和副作用等问题。
2
"Legitimacy" theory, with the neo-classical exogenousgrowth theory, explains that physical capital promotes the growth, and introduces the technology progress into the analyses.
“正统”的具有新古典传统的外生增长理论解释了实物资本对增长的促进作用，并把技术进步引入到分析之中。
3
The light or the absence of inhibitory effect of other plant exogenousgrowth substances to Botritis cinerea was the main factor that they didn't control tomato gray mould disease steadily.