IgA subclass 1/IgA.total &#x7C; Serum &#x7C; Chemistry - non-challenge
iga subclass 1/iga.total &#x7c; serum &#x7c; chemistry - non-challenge
IgA subclass 1/IgA.total &#x7C; Serum &#x7C; Chemistry - non-challenge
iga subclass 1/iga.total &#x7c; serum &#x7c; chemistry - non-challenge