title: OPTN/SRTR 2012 Annual data report. Introduction.
mesh_terms: D006801:Humans; D016030:Kidney Transplantation / Q000706:statistics & numerical data; D016377:Organ Transplantation / Q000706:statistics & numerical data / Q000639:trends; D014019:Tissue Donors / Q000706:statistics & numerical data; D014481:United States; D014850:Waiting Lists