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Zeitschrift Fur Die Gesamte Hygiene Und Ihre Grenzgebiete|September 1, 1990
[Special events and averages in handling of poisons in the years 1980 to 1988 (statistical overview)]R Schnabel, P Elstner, H J Täglich, et al.
Zeitschrift Fur Die Gesamte Hygiene Und Ihre Grenzgebiete|October 1, 1990
[Special events and damages caused by handling toxins in the years 1980-1988 (effects on the environment)]R Schnabel, P Elstner, H J Täglich, et al.
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