1. A G339R mutation in the CTNS gene is a common cause of nephropathic cystinosis in the south western Ontario Amish Mennonite population. Issue 9 (1st September 2001) Authors: Rupar, C Anthony; Matsell, Douglas; Surry, Susan; Siu, Victoria Journal: Journal of medical genetics Issue: Volume 38:Issue 9(2001) Page Start: 615 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗