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Anasthesie, Intensivtherapie, Notfallmedizin|April 1, 1983
[Documentation of clinical death in preliminary death certificates]G Pfeifer, V Pless, B Ziemann, et al.
American Industrial Hygiene Association Journal|February 1, 1992
The effectiveness of the Duo-Flo BioClean unit for controlling airborne antigen levelsB Ziemann, M Corn, A A Ansari, et al.
The Journal of Allergy and Clinical Immunology|July 1, 1990
Occupational challenge studies with laboratory workers allergic to ratsP A Eggleston, A A Ansari, B Ziemann, et al.
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