Randomized Clinical Trial Design to Assess Abatacept in Resistant Nephrotic Syndrome oleh Howard Trachtman, Debbie S. Gipson, Michael Somers, Cathie Spino, Sharon Adler, Lawrence Holzman, Jeffrey B. Kopp, John Sedor, Sandra Overfield, Ayanbola Elegbe, Michael Maldonado, Anna Greka