Anti- GQ1b antibodies are positive in more than 90% cases of: (A) Acute inflammatory demyelinating polyneuropathy (AIDP), (B) Acute motor axonal neuropathy(AMAN), (C) Acute motor sensory axonal neuropathy(AMSAN), (D) Miller fisher syndrome
Answer is D. Anti - GQ1b antibody is found in miller fisher syndrome , a variety of Guillain Barre syndrome.