Rich before old?
Barr
Roger
R
D000375:Aging; D001698:Biomedical Engineering / Q000191:economics* / Q000458:organization & administration / Q000639:trends*; D001709:Biotechnology / Q000191:economics* / Q000458:organization & administration / Q000639:trends*; D006801:Humans; D038622:Internationality; D011157:Population Dynamics; D011158:Population Growth