[Veterinary aspects of environmental optimisation].
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Environment↗
Biomedical subjects
R von der Aa
Publications and source records attributed to R von der Aa.
[Epidemiologic aspects of veterinary medicine with regard to sewage from hospitals, abattoirs and carcass disposal installations].
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Abattoirs↗
[Education of veterinarians, particularly in the field of hygiene, according to the decision of the State Council for Furthering the 3d Continuing Education Reform].
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Education, Veterinary↗