ahlam1399
04-18-2016, 04:40 AM
In a new memoir, Dr. Mary Guinan reflects on 40 years as a disease detective for the CDC.
أكثر... (http://www.npr.org/sections/goatsandsoda/2016/04/17/474368198/the-epidemiologist-who-gave-cnn-sass-for-asking-a-stupid-question?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/goatsandsoda/2016/04/17/474368198/the-epidemiologist-who-gave-cnn-sass-for-asking-a-stupid-question?utm_medium=RSS&utm_campaign=news)