ahlam1399
05-28-2017, 10:24 PM
Nearly 130 years since its inception, a modest k**b of rubber with a metal handle is still invaluable in diag**sing disease and avoiding expensive testing. But its history is anything but simple.
أكثر... (http://www.npr.org/sections/health-shots/2017/05/28/529821714/in-the-age-of-digital-medicine-the-humble-reflex-hammer-hangs-on?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/health-shots/2017/05/28/529821714/in-the-age-of-digital-medicine-the-humble-reflex-hammer-hangs-on?utm_medium=RSS&utm_campaign=news)