compared to the 13 r subjects , the 13 r-p subjects were : ( 1 ) more sensitive to antigen by both skin-test and inhalation challenge , ( 2 ) responded to inhalation of antigen with a greater fall in fev1 and a greater rise in serum nca and plasma histamine , and ( 3 ) released more histamine into skin chambers after antigen incubation .
C0229671
serum
C0032105
plasma