Population-based identification and temporal trend of children with primary nephrotic syndrome: The Kaiser Permanente nephrotic syndrome study. oleh Rishi V Parikh, Thida C Tan, Dongjie Fan, David Law, Anne S Salyer, Leonid Yankulin, Janet M Wojcicki, Sijie Zheng, Juan D Ordonez, Glenn M Chertow, Farzien Khoshniat-Rad, Jingrong Yang, Alan S Go