[Bacterial flora in diagnostic material in chronic bronchitis].
D001419:Bacteria / Q000302:isolation & purification*; D001991:Bronchitis / Q000382:microbiology*; D002908:Chronic Disease; D004352:Drug Resistance, Microbial; D006801:Humans; D011044:Poland; D013183:Sputum / Q000382:microbiology
Flora bakteryjna w materiale diagnostycznym w przewlekłych niezytach oskrzeli.