J Midwifery Womens Health. 2009;54(6):497-502. The first studies of purposeful alloimmunization were performed in the 1960s on inmates at Sing-Sing Prison in upstate New York. The inmates who were ...

Passive anti ... for antibody activity and the highest dilution that produces a1+ agglutination is reported as the titer (e.g., 1:2, 1:4, 1:8, 1:16, 1:32, etc.) Hemagglutination would be positive ...