title: [Biophysical considerations on the problem of biological age].
abstract: Issuing from Rie's ageing index and the concept of vitality theoretical possibilities of the determination of the biological age of man are discussed.
mesh_terms: D000375:Aging; D006801:Humans; D008433:Mathematics; D008954:Models, Biological
vernacular_title: Biophysikalische Betrachtungen zum Problem des biologischen Alters.