%0 Book %0 [E-Book] / %A Lonergan, Edmund T. %E Lonergan, Edmund T. %I National Academy Press %D 1991 %C Washington, D.C. %G englisch %T Extending life, enhancing life : a national research agenda on aging [E-Book] %U https://ebookcentral.proquest.com/lib/fz/detail.action?docID=3376582