filtrates obtained from 28- and 120-h growth of the spherule-endospore phase were compared with each other and with coccidioidin by using negative , immunoglobulin m ( igm ) precipitin-positive , or complement fixation-positive pooled and single human sera followed by peroxidase-labeled anti-human iga , ige , igg , or igm ( heavy chain specific ) or peroxidase-labeled concanavalin a to detect the reaction .
C0086418
human
C0027021
peroxidase