[Directed bacteriological study in chronic bronchitis by transtracheal biopsy].
D001706:Biopsy; D001991:Bronchitis / Q000382:microbiology*; D006801:Humans; D013183:Sputum / Q000382:microbiology
Az idült bronchitis célzott BAKTERIOL'OGIAI VIZSG'ALATA TRANSTRACHE'ALIS PUNCTI'OVAL.