Backgrounds: Pulmonary function decreases by advancing age in adults. Its results
decrease in volume and airflow in SPIROMETRY. This decrement accentuates with cigarette …

This study was conducted to investigate the health effects of exposure to silica dust in
firebrick manufacturing plants. A cross-sectional study was designed, and the health effects …

Study objectives To assess the effect of occupational silica exposure on pulmonary function.
Design Epidemiologic evaluation based on employee interview, plant walk-through, and …

The aim of this study was to analyze the influence of the numbers of years a worker is
exposed to silica dust and the smoking habit upon his lung function. In order to be included …

Lung function tests (forced expiratory volume in one second (FEV1), forced vital capacity
(FVC) and FEV1/FVC%) were related to silica exposure and the extent of radiological …

BACKGROUND: Peak expiratory flow (PEF) is a spirometric test that detects obstructive
changes in the respiratory tract; has good correlation with the FEV1; and is much less …

Aim: To study the Lung functions test in stone Quarry workers. Materials & methods: The
study was carried on 100 workers. 50 young males 20-35 yrs old, non smoking workers …

45 granite crushers and 45 age and smoking matched referents underwent pulmonary
function tests in 1976 and 1988. On average, the granite crushers at follow up had worked …

Background The adverse health effects of silica are still a major concern in some industries.
The purpose of this study was to evaluate pulmonary function in a group of sub-radiological …

Background: This study aimed to investigate the pulmonary functions of silica-exposed
workers and their health-related quality of life in an insulator manufacturing industry …