Assertion: catalase's breakdown | /r/CapableOf | occur within the patient's body
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Source sentences:
text: When a test of a patient's urine by the method of and with a device constructed according to this invention indicated significant catalase activity, it is then necessary only to make more definite tests to determine whether the large catalase activity is due to the presence of bacteria or whether unusual breakdown of catalase-containing cells is occurring or has occurred within the patient's body.