ሳይንስየዘረ መል ጥናት በጳውሎስ ሆስፒታል To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስTesfalem Waldyes Erago23 ነሐሴ 2010ረቡዕ፣ ነሐሴ 23 2010https://p.dw.com/p/33vkDማስታወቂያ