Frontier guards

Invaded and ravaged by germs and pathogens every moment of its existence, the human body has developed its own lines of defence. Among the lesser known barriers are the linings of the gut

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By N Raghuram

Published: Tuesday 15 April 1997

Frontier guards

Cover Story Cover Story Vaccination Respiratory Diseases Respiratory Diseases Physiology Physiology Micro Organisms Immunisation Health

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