exposure to respirable silica dust
Sponsors
Novosibirsk City Hospital #2
Conditions
Chronic Obstructive Pulmonary Disease
Unknown Phase
Molecular, Cytological Features and Genetic Susceptibility of COPD Attributable to Different Environmental Exposures
CompletedNCT02220387
Start: 2014-08-31End: 2014-09-30Updated: 2015-10-06
Molecular, Cytological Features and Genetic Susceptibility of COPD Attributable to Different Environmental Exposures 2
CompletedNCT02284295
Start: 2014-11-30End: 2014-11-30Updated: 2015-04-14