Longitudinally extensive transverse myelitis with optic neuritis related to profound biotinidase deficiency: NMOSD mimic! oleh Nagaraj Angadi Ravikumar, Debjyoti Dhar, Rohan Mahale, Ambati Mounika Reddy, Athyadi U Shreedevi, Sameetha Prabhu, Jitender Saini, Rita Christopher, Pooja Mailankody, P S Mathuranath, Hansashree Padmanabha