ሳይንስአደይ አበባ የደም መፍሰስን ለማቆም ይውላል To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስTesfalem Waldyes Erago3 መስከረም 2010ረቡዕ፣ መስከረም 3 2010https://p.dw.com/p/2judFማስታወቂያ