[Air-hygiene research and practice in the German Democratic Republic].
D000393:Air Pollutants / Q000032:analysis; D000397:Air Pollution / Q000032:analysis / Q000517:prevention & control; D000398:Air Pollution, Radioactive / Q000517:prevention & control; D005859:Germany, East; D006801:Humans; D007878:Legislation as Topic; D012106:Research; D012140:Respiratory Tract Diseases / Q000209:etiology
D000393:Air Pollutants
Lufthygienische Forschung und Praxis in der DDR.