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Type of pulmonary impairment among the tannery workers and the controls
| Type of pulmonary impairment | Exposed (197, %) | Controls (17. %) |
|---|---|---|
| Bronchial obstruction | 29 14.7 | 7 5.98 |
| Lung restriction | 17 8.6 | 5 4.27 |
| Mixed ventilator defects | 15 7.6 | 7 5.98 |
| Overall | 61 30.9 | 19 16.2 |
