Topf, J., W. . Wen, C. Munera, F. Menzaghi, and M. . Schömig. “Efficacy of Difelikefalin in Subjects With Moderate-to-Severe Chronic Kidney Disease–Associated Pruritus: Pooled Subgroup Analysis of KALM-1 and KALM-2”. SKIN The Journal of Cutaneous Medicine, vol. 5, no. 6, Nov. 2021, p. s77, doi:10.25251/skin.5.supp.77.