[Tryptophan immunoadsorption for multiple sclerosis and neuromyelitis optica : Therapy option for acute relapses during pregnancy and breastfeeding.] Hoffmann F, Kraft A, Heigl F, Mauch E, Koehler J, Harms L, Kümpfel T, Köhler W, Klingel R, Fassbender C, et al. Nervenarzt. 2015 Jan 23. PMID: 25604838. Abstract CommentRecommendBookmarkWatch