Haas, M. de

group consensus factor identification organization transfusion research between-group management antibody study between-group consensus degree journal strategy risk factors within-group anxiety group identification member measure women identity relation rbc transfusion pregnancy analysis understanding level within-group consensus screening process difference result strategy items blood control non-rhd performance antigen kellermann immunisation intervention model identity perspective component perspective disease methodology respondent surgery population risk factor group members effect pregnancy-related risk factors figure erasmu knippenberg pregnancy-related theory score department rotterdam priority value operation parity floyd contact history behavior management team issue antigen-positive partner vector floyd sw dimension haematological partner