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other patient information:

Measurement of C3 and C4 levels is rarely warranted as a routine investigation in otherwise uncomplicated connective tissue disease. However, low levels of complement are a reflection of complement activation and consumption and are seen mainly in those conditions associated with immune complex circulation and/or tissue deposition.





 
  You may find the following case in the clinic of interest:
Ms. R. feels tired and has some aches and pains
 

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