Using bronchoalveolar lavage, siderophages carrying refluxed material towards the lungs have been identified. In more recent studies they have been shown to carry dipalmitoylphosphatidylcholine which is a major component of the surfactant 27.
Con el lavado broncoalveolar se identifican siderófagos cargados de material refluido hacia los pulmones o en estudios más recientes, cargados de dipalmitolifosfatidicolina principal componente del surfactante 27.