after adjustment for autologous igg pa lps antibody content , however , cf pa+ sera had less antibody-dependent opsonic activity than sera from cf pa- patients ( p less than 0.025 ) or nhs ( p less than 0.0025 ) , suggesting qualitative opsonic defects of igg pa lps antibodies in cf pa+ sera .
C0439859
autologous
C0205556
qualitative