[Bronchitis syndrome and its risk factors (II)].
D000367:Age Factors; D000368:Aged; D000397:Air Pollution; D001824:Body Constitution; D001991:Bronchitis / Q000139:chemically induced / Q000150:complications / Q000209:etiology*; D002908:Chronic Disease; D006801:Humans; D008875:Middle Aged; D012306:Risk; D013577:Syndrome
Das bronchitische Syndrom und seine Riskofaktoren (II).