serum samples from 45 unrelated caucasian patients with ankylosing spondylitis ( as ) were tested for correlation of serum iga and six acute phase proteins : c reactive protein ( crp ) , alpha 1-antitrypsin , alpha 1-antichymotrypsin , caeruloplasmin , alpha 1-acid glycoprotein ( agp ) , and haptoglobin .
C0001347
acute phase proteins
C0018595
haptoglobin