Living like a pig could be good for you. Research has shown how dirty piglets obtain ‘friendly’ bacteria that help them to develop healthy immune systems later in life.
–Nature, Dirty pigs are healthy pigs, 2009-11-27
(附：全文可见bioedonline)
Living like a pig could be good for you. Research has shown how dirty piglets obtain ‘friendly’ bacteria that help them to develop healthy immune systems later in life.
–Nature, Dirty pigs are healthy pigs, 2009-11-27
(附：全文可见bioedonline)
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