Intractable vomiting as the initial presentation of neuromyelitis optica.
Apiwattanakul M, Popescu BF, Matiello M, Weinshenker BG, Lucchinetti CF, Lennon VA, McKeon A, Carpenter AF, Miller GM, Pittock SJ. Intractable vomiting as the initial presentation of neuromyelitis optica. Ann Neurol. 2010 Nov; 68(5):757-61.