Development of an LC-MS/MS method to measure sphingolipids in CSF from patients with multiple sclerosis.

Perez-Paramo YX, Dufield D, Veeramachaneni R, Parkhurst E, Harp C, Ramesh A, Winger RC, Cross AH, Gelfand JM, Bar-Or A, Mathews WR, Anania VG