phlegm

A more than normal amount of thick mucus made by the cells lining the upper airways and lungs. A buildup of phlegm may be caused by infection… (More)
National Institutes of Health

Topic mentions per year

Topic mentions per year

1955-2018
05010019552017

Papers overview

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Review
2017
Review
2017
CONTEXT Increasing incidence and impact of inflammatory diseases have encouraged the search of new pharmacological strategies to… (More)
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2006
2006
RATIONALE Using principal components analysis to examine dietary patterns complements the evaluation of individual food and… (More)
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Highly Cited
2006
Highly Cited
2006
BACKGROUND Symptom-based questionnaires may enhance chronic obstructive pulmonary disease (COPD) screening in primary care… (More)
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Highly Cited
2000
Highly Cited
2000
Prenatal exposure to polychlorinated biphenyls (PCBs) and dioxins is associated with changes in the T-cell lymphocyte population… (More)
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Highly Cited
1999
Highly Cited
1999
The association of air pollution with the prevalence of chronic lower respiratory tract symptoms among children with a history of… (More)
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Highly Cited
1999
Highly Cited
1999
PURPOSE To evaluate the effects of randomly assigning smokers who have early chronic obstructive pulmonary disease (COPD) to a… (More)
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Highly Cited
1998
Highly Cited
1998
BACKGROUND A study was undertaken to investigate the relationships between the intake of the antioxidant (pro)-vitamins C, E and… (More)
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Highly Cited
1996
Highly Cited
1996
The relation between air pollution and the exacerbation of childhood asthma was studied in a panel of 71 children (aged 5 to 7 yr… (More)
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Highly Cited
1995
Highly Cited
1995
To identify the role of endotoxin in grain dust-induced lung disease, we conducted a population-based, cross-sectional… (More)
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1974
1974
A study of respiratory symptoms in 2,426 schoolchildren aged 6-14 years was carried out in Aylesbury, Buckinghamshire, in 1971… (More)
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