title: SURFACE COLLECTION EFFICIENCY OF LARGE-PORE MEMBRANE FILTERS.
mesh_terms: D000397:Air Pollution; D000398:Air Pollution, Radioactive; D002623:Chemistry Techniques, Analytical; D005374:Filtration; D011868:Radioisotopes; D011874:Radiometry
chemical_list: D011868:Radioisotopes
keywords: AIR POLLUTION, RADIOACTIVE; CHEMISTRY, ANALYTICAL; FILTRATION; RADIOISOTOPES; RADIOMETRY