The total tissue concentration 24 h after dose in epithelial lining fluid, alveolar macrophages, bronchial mucosa, tonsils and sinus tissue were 0.84±0.65 mg/ l, 162±96 mg/ l, 0.78±0.39 mg/ kg, 0.72±0.29 mg/ kg and 1.58±1.68 mg/ kg, respectively. rod