V. Lukashevich; A. Schweizer; Q. Shao; P.-H. Groop; W. Kothny. (2011). Safety and efficacy of vildagliptin versus placebo in patients with type 2 diabetes and moderate or severe renal impairment: a prospective 24-week randomized placebo-controlled trial. , 13(10), 947–954.
doi:10.1111/j.1463-1326.2011.01467.x