Thymectomy and azathioprine have no effect on the phenotype of CD4 T lymphocyte subsets in myasthenia gravis. Melms A, Malcherek G, Gern U, Sommer N, Weissert R, Wiethölter H, Bühring HJ J Neurol Neurosurg Psychiatry. 1993 Jan; 56(1):46-51. PMID: 8094093. Abstract CommentRecommendBookmarkWatch