there was a correlation between the duration of occupational exposure and the onset of chest lesions visible on x-ray films ( pleural thickening , pulmonary fibrosis and later , pleural calcifications ) and a closer correlation between these and the results of the two main respiratory function tests : vital capacity and fractional global and arterio-alveolar co uptake coefficient ( duaco ) .
C0817096
chest
C0034069
pulmonary