| 摘要 |
A pharmaceutical composition comprising tyrosine and a polymerised allergen is prepared by (a) polymerising an allergen, (b) mixing an aqueous solution of the allergen with a solution of tyrosine in a strong aqueous acid, (c) neutralising the mixture of solutions, thereby co-precipitating tyrosine and polymerised allergen, and (d) optionally, mixing the product with a physiologically acceptable carrier.
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