circulating igg immune complexes ( cics ) , igm rheumatoid factors ( rfs ) , complement level ( c3 and c4 ) , and igg antibodies to aspergillus fumigatus , aspergillus umbrosus , thermoactinomyces vulgaris , and micropolyspora faeni were analysed in the sera of 14 patients with farmer 's lung ( fl ) , 10 in the acute and four in the subacute phase of the disease .
C0009498
complement
C0229671
sera