[Environmental control in the GDR (German Democratic Republic)].
D000397:Air Pollution / Q000517:prevention & control; D004782:Environmental Health; D004787:Environmental Pollution / Q000517:prevention & control; D005506:Food Contamination / Q000517:prevention & control; D005859:Germany, East; D006801:Humans; D009622:Noise / Q000517:prevention & control; D014876:Water Pollution / Q000517:prevention & control
Medizinische Umweltkontrolle in der DD.