Singh, Suresh Kumar Assessment of impact of high particulate concentration on peak expiratory flow rate of lungs of sand stone quarry workers. [electronic resource] - International journal of environmental research and public health Dec 2006 - 355-9 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 1661-7827 Standard No.: 10.3390/ijerph2006030046 doi Subjects--Topical Terms: AdolescentAdultAgedAged, 80 and overHumansIndia--epidemiologyIndustryLung--drug effectsMaleMiddle AgedOccupational Exposure--analysisParticulate Matter--toxicityPeak Expiratory Flow Rate--drug effectsPrevalenceRespiratory Physiological Phenomena--drug effectsSilicon Dioxide--chemistrySilicosis--epidemiologyTime Factors