Pulmonary exposure to cerium oxide nanoparticles (CeO2 NPs) can occur either at the workplace. or due to their release in the environment. Inhaled CeO2 NPs are known to cross the alveolar−capillary barrier and reach various parts of the body. including the vasculature. https://www.roneverhart.com/Pizzalapio-pyorea-reiallinen-alumiinia-36-120-cm/