GM1 ganglioside-independent intoxication by Cholera toxin by Cervin, J, Wands, A, Casselbrant, A, Wu, H, Krishnamurthy, S, Cvjetkovic, A, Estellius, J, Dedic, B, Sethi, A, Wallom, K, Rilse, R, Backstrom, M, Wallenius, V, Platt, F, Lebens, M, Teneberg, S, Fandriks, L, Kohler, J, Yrlid, U