Comparison of three microtube column agglutination systems for antibody screening: DG Gel, DiaMed‐ID and Ortho BioVue

summary.  The aims of the present study were to evaluate the estimated diagnostic accuracy of a new microtube column agglutination system (DG Gel, Diagnostic Grifols, Barcelona, Spain), to analyse the antibody reactivity and to compare the data with the two well‐established DiaMed‐ID and Ortho BioVue systems.