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مشاهدة النسخة كاملة : Roman gums 'healthier than ours'


BECKHAM
24-10-2014, 06:15 AM
People living in Roman Britain had healthier gums than their modern-day descendants, a feat of archaeological dentistry shows.

for more .... (http://www.bbc.co.uk/news/health-29739388#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)