Research Article

Branhamella catarrhalis infection of the lower respiratory tract: reliable diagnosis by sputum examination.

Br Med J (Clin Res Ed) 1982; 285 doi: https://doi.org/10.1136/bmj.285.6354.1537 (Published 27 November 1982) Cite this as: Br Med J (Clin Res Ed) 1982;285:1537

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