A comparison of the assessment of simple bronchitis (chronic mucus hypersecretion) by measurements of sputum volume and by standardized questions on phlegm production.

A comparison of the assessment of simple bronchitis (chronic mucus hypersecretion) by measurements of sputum volume and by standardized questions on phlegm production.

Bibliographic Details
Main Authors:	Fletcher, C, Peto, R, Tinker, C
Format:	Journal article
Language:	English
Published:	1974