The Escherichia coli AmtB protein as a model system for understanding ammonium transport by Amt and Rh proteins - Merrick, M.; Javelle, A.; Durand, A.; Severi, E.; Thornton, J.; Avent, N.D.; Conroy, M.J.; Bullough, P.A. (Transfusion Clinique et Biologique, 2006)