In the present studies , rat lungs were depleted of alveolar macrophages by airway instillation of liposome-encapsulated dichloromethylene diphosphonate .
in the present studies , rat lungs were depleted of alveolar macrophages by airway instillation of liposome-encapsulated dichloromethylene diphosphonate .
O O O O O B-body_part I-body_part O O O B-cell_type I-cell_type O O O O B-other_organic_compound I-other_organic_compound I-other_organic_compound O