Clinical fluctuations in MuSK myasthenia gravis are related to antigen-specific IgG4 instead of IgG1
10 auth. E. Niks, Y. V. Leeuwen, M. Leite, F. Dekker, A. Wintzen, P. Wirtz, ... A. Vincent, M. V. Tol, C. M. J. Zijde, J. Verschuuren