_:b57560886 _:b57560887 . _:b57560888 . _:b57560886 . _:b57560886 "1"^^ . _:b57560887 "T129" . _:b57560889 . _:b57560888 _:b57560889 . _:b57560889 "immunoglobulin A" . _:b57560886 . _:b57560889 "IgA" . _:b57560886 . _:b57560886 _:b57560888 . _:b57560887 "C2825347" . _:b57560887 "T121" .