A complement blood test measures how well complement proteins in your blood support immune defense. The complement system helps antibodies fight germs and clear foreign substances. Complement testing ...

Swan — Assistant Urologist, Massachusetts General Hospital. For record and address of author see "This Week's Issue," page 632. Select the format you want to export the citation of this publication.

WHEN a clinician is consulted by a patient who formerly lived in an epidemic typhus zone and who now has fever, headache and possibly a rash, he must include Brill's disease in his differential ...