ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] A longitudinal study of ageing in 268 elderly healthy volunteers was initiated in 1956 by the Duke University Center for the Study of Aging and Human Development. The composition of this subject sample was proportionate to the race, sex and socioeconomic composition of similarly aged persons in the ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/254055a0
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