99 IgG unresponsiveness to ovalbumin (OVA) lasted longer in conventional C3H mice than in germfree animals of the same strain, when both groups were fed 20 mg OVA, then immunized three times intraperitoneally (i.p.) with 10 μg OVA absorbed by alum
99 IgG unresponsiveness to ovalbumin (OVA) lasted longer in conventionalC3H mice than in germfree animals of the same strain, when both groups were fed20 mg OVA, then immunized three times intraperitoneally (i.p.) with 10 μg OVAabsorbed by alum