Switching from insulin to oral sulfonylureas in patients with diabetes due to Kir6.2 mutations. by Pearson, E, Flechtner, I, Njølstad, P, Malecki, M, Flanagan, SE, Larkin, B, Ashcroft, F, Klimes, I, Codner, E, Iotova, V, Slingerland, A, Shield, J, Robert, J, Holst, J, Clark, P, Ellard, S, Søvik, O, Polak, M, Hattersley, A