“…Several other types of polyagglutination have since been described including: T, Tn, Tk, Th, VA and acquired B [l, 2,4,6,[9][10][11][12][13][14]191. At present, polyagglutination can be categorized according to: (1) specific reactions noted with various seed and snail extracts, enzymes and Polybrene [3,4,6-8,12, 161 ; (2) antibody absorption studies utilizing various types of pol yagglutinable red blood cells, and (3) the mechanism of erythrocyte membrane alteration (microbial or non-microbial, acquired or inherited).…”