Heraf udviste 4 kaniner neutraliserende aktivitet mod botulinumneurotoxin type A i hemidiafragma- assayet (der viser, om antistofferne er neutraliserende eller ikke- neutraliserende).
presence of antibodies against Botulinum neurotoxin type A) revealed that seven of the 20 rabbits treated with Botox showed a positive response and four of these rabbits displayed BoNT/ A neutralising activity in the hemidiaphragm assay (HDA indicating if antibodies are neutralising or non-neutralising).