Lanean...
Aetiological factors in persistent sputum production: a case-control study.
STUDY OBJECTIVE--The aim was to explore the aetiological roles of smoking, occupational exposure, childhood respiratory illness, and atopy in persistent sputum production. DESIGN--This was a case-control study. Data were obtained using a questionnaire administered by two observers blind to the subje...
Gorde:
| Egile nagusia: | |
|---|---|
| Formatua: | Artigo |
| Hizkuntza: | Inglês |
| Argitaratua: |
1993
|
| Gaiak: | |
| Sarrera elektronikoa: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1059705/ https://ncbi.nlm.nih.gov/pubmed/8436888 |
| Etiketak: |
Etiketa erantsi
Etiketarik gabe, Izan zaitez lehena erregistro honi etiketa jartzen!
|