1 “...Advances in medicine make the ageing of populations in developed countries inevitable...”

2 “... made over the course of the last century. However, an ageing population brings some new challenges both...”

3 “...Italy has an aging population which is placing a strain on the public health system and on families...”

4 Table of Contents: “... medicine diagnostics and Tc-99m varies significantly across countries -- Executive summary -- OECD Health...”

5 “... of the nuclear age",1 paved the way for hundreds of scientists and engineers in their quest to improve our...”