Mutually exclusive groups of bronchitics and non-bronchitics in males
Seven mutually exclusive groups of non-bronchitics and chronic bronchitics are derived from 10,816 steel workers questioned and examined at Port Talbot. These groups are based on various combinations of responses to the Medical Research Council questionnaire on cough, phlegm, dyspnoea, increased cou...
Wedi'i Gadw mewn:
| Cyhoeddwyd yn: | Br J Prev Soc Med |
|---|---|
| Prif Awduron: | , |
| Fformat: | Artigo |
| Iaith: | Inglês |
| Cyhoeddwyd: |
BMJ Publishing Group
1974
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| Pynciau: | |
| Mynediad Ar-lein: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC478855/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/4414747/ https://ncbi.nlm.nih.govhttps://doi.org/10.1136/jech.28.3.156 |
| Tagiau: |
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