In July 1979, the health of 86 current and ex-workers at 2 silica mining and milling
operations in southern Illinois was examined using a respiratory questionnaire, spirometry …

OBJECTIVE--Occupational exposure to silica dust is associated with significant impairment
of lung function. The present study investigates which pathological changes in the lung are …

Particulate matter less than ten micrometers in diameter (PM10) containing crystalline silica
if inhaled can cause respiratory symptoms. We aimed to determine exposure levels of Thai …

Background and Aims: SILICOSIS is a diffuse interstitial fibronodoular LUNG DISEASE
caused by inhalation of dust containing free crystalline silica. Crystalline silica can cause …

The objective of this study was to explore whether a medical history for non-malignant
respiratory disease contributes to an increased lung cancer risk among workers exposed to …

Prolonged exposure to high levels of silica has long been known to cause silicosis This
paper evaluates the evidence for an increased risk of chronic obstructive pulmonary disease …

Aims: The present study describes few co-morbidities and their influence in mortality in
cases of silicosis that were followed for 30 months at Shakarpur. Settings and Design …

This study aims to provide further understanding of physiologic and symptomatic changes
and radiographic abnormalities due to exposure to silica, asbestos, and coal dusts …

There is limited and conflicting evidence regarding the exposure–response relationship
between exposure to crystalline silica and silicosis; the level of risk to current workers …