Link to the Show / Show NotesThis summary covers the issue of April 12, 2007. Featured are articles on optimal medical therapy with or without PCI for stable coronary disease, interleukin-1-receptor antagonist in type 2 diabetes mellitus, radiotherapy for glioblastoma in the elderly, inactivated poliovirus vaccine in Cuba, and retinal progenitor cells; a review article on strategies for safer liver surgery and partial liver transplantation; a case report of a man with neck pain, weakness in the arms, and cranial-nerve palsies; and Perspective articles on balancing disease prevention and economic development in China, on making smoking history worldwide, and on bridging the divide in diabetes treatment.