Gerbal A, Ropars C, Gerbal R, Cartron J P, Maslet C, Salmon C
Vox Sang. 1976;31(1):64-6. doi: 10.1111/j.1423-0410.1976.tb02862.x.
The chemical acetylation of RBC bearing the acquired B antigen led to the disappearance of the agglutinability by anti-B and restored the A1 specificity. The same results are obtained using RBC transformed in vitro by a Clostridium Tertium filtrate, where a deacetylase was reported.