http://www.bbc.com/news/health-41763958
origin - http://www.pipiscrew.com/2017/10/heart-surgery-survival-chances-better-in-the-afternoon/ heart-surgery-survival-chances-better-in-the-afternoon
http://www.bbc.com/news/health-41763958
origin - http://www.pipiscrew.com/2017/10/heart-surgery-survival-chances-better-in-the-afternoon/ heart-surgery-survival-chances-better-in-the-afternoon