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process for the manufacture of extracts of substances which are able to induce a allergenisk reaction and which is selected from among pollen, house dust, epitheler, moulds, insectsemanationer from insects, seeds or feathers.
process for the manufacture of extracts of substances which are able to induce a allergenisk reaction and which is selected from among pollen, house dust, epitheler, moulds, insectsemanationer from insects, seeds or feathers.