Fig. 2From: No inflammatory effects after acute inhalation of barium sulfate particles in human volunteersCalculated lung deposition efficiency of BaSO4 particles in dependence of airway regions (Al: alveolar region, TB: tracheobronchial region, ET: extrathoracic region) and particle size. TD: total deposition (sum of Al + TB + ET), Intake: Total inhaled mass of BaSO4 particlesBack to article page