They are communicated the results of a study of the obtained responses as compared to D. pteronyssinus in function of the mcg/ml of antigen contents in an extract in the one which was characterized and quantified the allergen greater than represents 42% of the extracts. The interrelation analysis dose-response offers a value of r = 0.835, with a meaning level of 99% and the up spacing +/-28. The found regression equation was y = 0.235 x 9.047.
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