Lopez M, Habibi B, Lemeud J, Salmon C
Vox Sang. 1975;28(1):57-61. doi: 10.1111/j.1423-0410.1975.tb02741.x.
A simple, sensitive and highly reproducible method is described using a particle counting procedure for the study of agglutination percentage of red cells as a function of time. The method may advantageously be used for the current study of zygosity and other antigenic variations especially in family investigation.