00438cam a2200133 a 4500020001500000050001200015100002100027245009300048260009200141300002000233650001700253650001700270650001700287 a287108034800aRA564.81 aMertens, Walter.10aHealth and mortality trends among elderly populations :bdeterminants and implications / aLiè€ge, Belgium :bInternational Union for the Scientific Study of Population,cc1994. a31 p. :bill. ; 0aOlder people 0aOlder people 0aOlder people