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

Int J Epidemiol. 1974 Dec;3(4):315-9. doi: 10.1093/ije/3.4.315.
No abstract available

Publication types

  • Comparative Study

MeSH terms

  • Adult
  • Bronchitis / physiopathology*
  • Chronic Disease
  • Humans
  • Male
  • Middle Aged
  • Mucus / metabolism
  • Smoking
  • Spirometry
  • Sputum / metabolism*
  • Statistics as Topic
  • Surveys and Questionnaires