ahlam1399
08-25-2016, 11:40 PM
** disease had ever been wiped out before. But that didn't stop Dr. Donald A. Henderson.
أكثر... (http://www.npr.org/sections/goatsandsoda/2016/08/25/489950967/tribute-the-man-who-killed-smallpox?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/goatsandsoda/2016/08/25/489950967/tribute-the-man-who-killed-smallpox?utm_medium=RSS&utm_campaign=news)