passive hemagglutination

https://doi.org/10.1351/goldbook.13539
Method of measuring antibody titer, in which antigen-coated erythrocytes are agglutinated by adding antibody specific for the antigen.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1225 [Terms] [Paper]