A system for all seasons (1973)

  Рет қаралды 1,929

Wellcome Library

Wellcome Library

10 жыл бұрын

This film is about the immunisation of sheep against clostridial diseases caused by germs of the clostridia family. The way in which antisera and vaccines work is described, in particular the drug Covexin. Find out more: catalogue.wellcomelibrary.org/....

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