小兒氣喘與微生物

環境中接觸較多微生物的小孩比較不會有氣喘

Exposure to Environmental Microorganisms and Childhood Asthma
N Engl J Med 2011; 364:701-709February 24, 2011

Barnyard Microbes and Childhood Asthma
N Engl J Med 2011; 364:769-770February 24, 2011