Americans at old ages have a puzzling survival advantage, but it arises ever later. http://onlinelibrary.wiley.com/doi/10.1111/j.1728-4457.2016.00157.x/full …pic.twitter.com/8IfyAMm8aU
3:37 AM - 20 Sep 2016
from Schweinfurt, Bayern
0 replies
3 retweets
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